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#1
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Spa / hottub keeps tripping
Hi,
I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? HELP! |
#2
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Spa / hottub keeps tripping
On Mon, 04 Feb 2008 20:44:24 GMT, cold ribs wrote:
Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. he doesn't know his ass from his elbo. Lowering the resistance will increase current draw at a given voltage and load resistance. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? lower resistance. more current. more power. HELP! It is very simple. The spa is drawing more power than the circuit breaker will permit. Only three things can cause it: 1) the heater is out of spec, resistance is too low. A controller could possibly affect this if it is using PWM and the duty cycle is higher. 2) voltage is too high 3) the circuit breaker is triping at a current where it shouldn't. I'd first replace the breaker with a new one of the same current rating. With the heavier wire, maybe you can use a breaker of a higher rating? I wouldn't make such a substitution on my own; an electrician has to do it. 6 guage is supposed to be good for 105 amps. but have an electrician do it as your insurance won't cover it make a error on your own and your house burns to the ground to say nothing about possible criminal charges. |
#3
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Spa / hottub keeps tripping
Yikes, 6 gauge is not good for 105 amps. It varies, but generally 60 amp
"AZ Nomad" wrote in message ... On Mon, 04 Feb 2008 20:44:24 GMT, cold ribs wrote: Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. he doesn't know his ass from his elbo. Lowering the resistance will increase current draw at a given voltage and load resistance. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? lower resistance. more current. more power. HELP! It is very simple. The spa is drawing more power than the circuit breaker will permit. Only three things can cause it: 1) the heater is out of spec, resistance is too low. A controller could possibly affect this if it is using PWM and the duty cycle is higher. 2) voltage is too high 3) the circuit breaker is triping at a current where it shouldn't. I'd first replace the breaker with a new one of the same current rating. With the heavier wire, maybe you can use a breaker of a higher rating? I wouldn't make such a substitution on my own; an electrician has to do it. 6 guage is supposed to be good for 105 amps. but have an electrician do it as your insurance won't cover it make a error on your own and your house burns to the ground to say nothing about possible criminal charges. |
#4
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Spa / hottub keeps tripping
You need to read the spec label for the spa and find the total amperage.
That will determine the size feeder and breaker necessary. It should also be protected by a GFCI device. If the circuit breaker that's tripping is a GFCI breaker, it could be tripping on a ground fault. "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? HELP! |
#5
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. |
#6
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Spa / hottub keeps tripping
On Feb 4, 11:44*am, cold ribs wrote:
Hi, I have a spa outside my home. *It was installed by a certified electrician, etc. *It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. *No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. *The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? *And, if so, why would it trip more frequently now? HELP! * I ran the no. 8 copper through with my online calculator and it says a 50 amp breaker is maximum and the continuous load is 40 amperes maximum assuming using 90 degree C insulation on the wire and 75 degrees for the terminations. With no other information NEC 110.14 says to use the 60 degree termination rating and this gives a 40 ampere max breaker size and a 32 ampere maximum continuous load fro No. 8 copper. For No. 6 copper with a 90 degree C insulation and a 60 degree C termination a 60 ampere breaker is maximum for a 48 ampere continuous load (three hours or more.) Your breaker may be tripping because of over heating at the terminals that is causing the breaker to over heat and trip. The caculator is at: http://www.electrician2.com/calculat..._1_reverse.htm REF: 110.14 (a) Termination provisions of equipment for circuits rated 100 amperes or less, or marked for 14 AWG through 1 AWG conductors, shall be used only for one of the following: (1) Conductors rated 60°C (140°F). (2) Conductors with higher temperature ratings, provided the ampacity of such conductors is determined based on the 60°C (140°F) ampacity of the conductor size used. (3) Conductors with higher temperature ratings if the equipment is listed and identified for use with such conductors. (4) For motors marked with design letters B, C, or D, conductors having an insulation rating of 75°C (167°F) or higher shall be permitted to be used, provided the ampacity of such conductors does not exceed the 75°C (167°F) ampacity. |
#7
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? HELP! Is this a GFI circuit breaker? If so, it doesn't take much to trip it. It's possible that the service guy got something wet inside which would be enough to trip it. He may have also done something with the neutral and ground connections when he made the changeout. Since it worked fine before I'm inclined to think that the service guy is at fault. Check the installation manual as it usually gives the wiring specifications to confirm if the wrong wire gauge was used. 60 amps is usually too much for #8 wire, but I doubt that is what's causing your problem. |
#8
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? HELP! Replace breaker. If it continues, contact a licensed electrician or spa tech and have him fix whatever the problem is. The problem could be electrical, or in the spa brain. Steve |
#9
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Spa / hottub keeps tripping
On Feb 4, 7:58*pm, "SteveB" wrote:
"cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. *It was installed by a certified electrician, etc. *It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. *No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. *The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? *And, if so, why would it trip more frequently now? HELP! * Replace breaker. *If it continues, contact a licensed electrician or spa tech and have him fix whatever the problem is. *The problem could be electrical, or in the spa brain. Steve- Hide quoted text - - Show quoted text - As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? |
#10
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Spa / hottub keeps tripping
Someone wrote:
As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? ~~~ The documentation recommends 6ga if the spa is more than 150 feet from the power source - in this case the breaker in the house. He used 8ga. |
#11
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Spa / hottub keeps tripping
Charles wrote:
"cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? |
#12
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? Have you tried a new breaker yet? Steve |
#13
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Spa / hottub keeps tripping
On Feb 4, 6:24*pm, "RBM" wrote:
Yikes, 6 gauge is not good for 105 amps. It varies, but generally 60 amp "AZ Nomad" wrote in message ... On Mon, 04 Feb 2008 20:44:24 GMT, cold ribs wrote: Hi, I have a spa outside my home. *It was installed by a certified electrician, etc. *It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. *No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. *The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. he doesn't know his ass from his elbo. Lowering the resistance will increase current draw at a given voltage and load resistance. Would this be the main reason for the tripping that used to occur on occasion? *And, if so, why would it trip more frequently now? lower resistance. *more current. *more power. HELP! * It is very simple. *The spa is drawing more power than the circuit breaker will permit. * Only three things can cause it: *1) the heater is out of spec, resistance is too low. *A controller could possibly affect this if it is using PWM and the duty cycle is higher. *2) voltage is too high *3) the circuit breaker is triping at a current where it shouldn't. I'd first replace the breaker with a new one of the same current rating. With the heavier wire, maybe you can use a breaker of a higher rating? *I wouldn't make such a substitution on my own; *an electrician has to do it. 6 guage is supposed to be good for 105 amps. * but have an electrician do it as your insurance won't cover it make a error on your own and your house burns to the ground to say nothing about possible criminal charges.- Hide quoted text - - Show quoted text - That's why he's so concerned about insurance requirements and criminal charges !!! |
#14
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Spa / hottub keeps tripping
On Feb 4, 3:44*pm, cold ribs wrote:
Hi, I have a spa outside my home. *It was installed by a certified electrician, etc. *It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. *No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. *The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? *And, if so, why would it trip more frequently now? HELP! * As good as all of the other advice is -- esp when not knowing all of the details -- I think there are other, non-wiring issues you should explore. The first thing I would do is check for leaks. Make absolutely sure that you don't have a leak somewhere that is screwing up your electronics. For example, did the repairman get in there and shove something around and make a small leak slightly bigger and thereby cause the additional tripping? Did it dry out during the 2- day hiatus? Most hardware stores have boxes (like milk cartons) of stuff to reduce humidity. Put some of that inside the shell and see how much water it absorbs -- might indicate a leak. But get inside of there and poke around a bit. Of course all of the usual warnings apply like "don't go play with electricity and water at the same time" so shut off the electricity -- the the worse case is that your drownd. |
#15
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:4a_qj.72$qV2.12@trnddc04... Someone wrote: As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? ~~~ The documentation recommends 6ga if the spa is more than 150 feet from the power source - in this case the breaker in the house. He used 8ga. There should also have been a disconnect installed near the spa for service people to kill the power as needed. Is the breaker in the house a GFI circuit breaker? |
#16
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Spa / hottub keeps tripping
John Grabowski wrote:
"cold ribs" wrote in message news:4a_qj.72$qV2.12@trnddc04... Someone wrote: As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? ~~~ The documentation recommends 6ga if the spa is more than 150 feet from the power source - in this case the breaker in the house. He used 8ga. There should also have been a disconnect installed near the spa for service people to kill the power as needed. Is the breaker in the house a GFI circuit breaker? There is not - the only breaker is in the house. Also, I have no idea if it's GFI. How could I tell? |
#17
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Spa / hottub keeps tripping
Pat wrote:
On Feb 4, 3:44 pm, cold ribs wrote: Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? HELP! As good as all of the other advice is -- esp when not knowing all of the details -- I think there are other, non-wiring issues you should explore. The first thing I would do is check for leaks. Make absolutely sure that you don't have a leak somewhere that is screwing up your electronics. For example, did the repairman get in there and shove something around and make a small leak slightly bigger and thereby cause the additional tripping? Did it dry out during the 2- day hiatus? Most hardware stores have boxes (like milk cartons) of stuff to reduce humidity. Put some of that inside the shell and see how much water it absorbs -- might indicate a leak. But get inside of there and poke around a bit. Of course all of the usual warnings apply like "don't go play with electricity and water at the same time" so shut off the electricity -- the the worse case is that your drownd. There is no water inside the electrical box at all - no condensation, no leaks, etc. There is usually some in the "shell" under the spa since, when it rains, water gets and stays there for a bit. |
#18
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Spa / hottub keeps tripping
SteveB wrote:
"cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? Have you tried a new breaker yet? Steve I tried at Lowe's and the Home Depot - neither carry a 60amp, 2 pole Federal Pacific replacement - only up to 50amp. I'll be trying some local electrical supply places this weekend - presuming there are some in my area. |
#19
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. |
#20
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:IS5rj.204$qV2.75@trnddc04... John Grabowski wrote: "cold ribs" wrote in message news:4a_qj.72$qV2.12@trnddc04... Someone wrote: As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? ~~~ The documentation recommends 6ga if the spa is more than 150 feet from the power source - in this case the breaker in the house. He used 8ga. There should also have been a disconnect installed near the spa for service people to kill the power as needed. Is the breaker in the house a GFI circuit breaker? There is not - the only breaker is in the house. Also, I have no idea if it's GFI. How could I tell? It will have a "Test" button on it |
#21
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Spa / hottub keeps tripping
RBM wrote:
"cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. The manual that a minimum 30amp breaker should be used. Also, recommends a minimum of 6ga wire. As mentioned in another post, I don't know if the breaker is GFCI - how could I look at it and tell? |
#22
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:XV5rj.206$qV2.115@trnddc04... SteveB wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? Have you tried a new breaker yet? Steve I tried at Lowe's and the Home Depot - neither carry a 60amp, 2 pole Federal Pacific replacement - only up to 50amp. I'll be trying some local electrical supply places this weekend - presuming there are some in my area. Probably not the best idea to use a 60 since the highest you can fuse #8 at is 50 amps |
#23
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Spa / hottub keeps tripping
RBM wrote:
"cold ribs" wrote in message news:XV5rj.206$qV2.115@trnddc04... SteveB wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? Have you tried a new breaker yet? Steve I tried at Lowe's and the Home Depot - neither carry a 60amp, 2 pole Federal Pacific replacement - only up to 50amp. I'll be trying some local electrical supply places this weekend - presuming there are some in my area. Probably not the best idea to use a 60 since the highest you can fuse #8 at is 50 amps Would there be any potential harm in trying the 50? |
#24
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Spa / hottub keeps tripping
RBM wrote:
"cold ribs" wrote in message news:IS5rj.204$qV2.75@trnddc04... John Grabowski wrote: "cold ribs" wrote in message news:4a_qj.72$qV2.12@trnddc04... Someone wrote: As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? ~~~ The documentation recommends 6ga if the spa is more than 150 feet from the power source - in this case the breaker in the house. He used 8ga. There should also have been a disconnect installed near the spa for service people to kill the power as needed. Is the breaker in the house a GFI circuit breaker? There is not - the only breaker is in the house. Also, I have no idea if it's GFI. How could I tell? It will have a "Test" button on it Ah, no. It's a regular breaker like the others in the house box. I'm starting to think he cut corners here. WHY, then, would it be "okay" for a couple years then crap out now regularly? |
#25
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:8n6rj.54$qw4.8@trnddc02... RBM wrote: "cold ribs" wrote in message news:IS5rj.204$qV2.75@trnddc04... John Grabowski wrote: "cold ribs" wrote in message news:4a_qj.72$qV2.12@trnddc04... Someone wrote: As others have asked, where is the GFCI? Most times, it is at the breaker. If that's the case, it could be tripping from a ground fault, not a current overload. I'd carefully inspect for any wet areas wherever there is electrical connections. That include outside the spa as well. The undersized wiring is a seperate problem. What size circuit does the spa documentation say it needs? ~~~ The documentation recommends 6ga if the spa is more than 150 feet from the power source - in this case the breaker in the house. He used 8ga. There should also have been a disconnect installed near the spa for service people to kill the power as needed. Is the breaker in the house a GFI circuit breaker? There is not - the only breaker is in the house. Also, I have no idea if it's GFI. How could I tell? It will have a "Test" button on it Ah, no. It's a regular breaker like the others in the house box. I'm starting to think he cut corners here. WHY, then, would it be "okay" for a couple years then crap out now regularly? Anything is possible. Typically some wet control would cause a GFCI to trip, but for an oversized Federal Pacific breaker to trip, you must have an intermittent dead short somewhere. To conform to NEC he would have to have a disconnect located five feet or more and within site of the tub, and a GFCI outlet between ten and twenty feet from the tub. Unless the control box has built in GFCI protection, the feeder or disconnect must have GFCI protection. Yes, it sounds like he screwed up |
#26
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:Ik6rj.51$qw4.16@trnddc02... RBM wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. The manual that a minimum 30amp breaker should be used. Also, recommends a minimum of 6ga wire. As mentioned in another post, I don't know if the breaker is GFCI - how could I look at it and tell? You've already determined that it's not a GFCI breaker. If the tub was made to use a 30 amp circuit, it wouldn't require number 6 wire. Some tubs can be run at 30 amp or 60 amp, these have jumper settings that get adjusted to the amperage you are using. Often the documentation doesn't give the exact specs of the unit, as I've said, that will be found on a nameplate on the control panel . Look there, for the exact total amperage of the unit |
#27
Posted to alt.home.repair
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Spa / hottub keeps tripping
RBM wrote:
"cold ribs" wrote in message news:Ik6rj.51$qw4.16@trnddc02... RBM wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. The manual that a minimum 30amp breaker should be used. Also, recommends a minimum of 6ga wire. As mentioned in another post, I don't know if the breaker is GFCI - how could I look at it and tell? You've already determined that it's not a GFCI breaker. If the tub was made to use a 30 amp circuit, it wouldn't require number 6 wire. Some tubs can be run at 30 amp or 60 amp, these have jumper settings that get adjusted to the amperage you are using. Often the documentation doesn't give the exact specs of the unit, as I've said, that will be found on a nameplate on the control panel . Look there, for the exact total amperage of the unit Actually, here is our spa. Page also has the specs you asked about: http://www.uscovers.com/spasandsaunas/KB331DX.PDF |
#28
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Spa / hottub keeps tripping
I have a spa outside my home. It was installed by a certified
electrician, etc. It used to trip .... on occasion ...... take the legs off (sorry G) Tomes |
#29
Posted to alt.home.repair
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Spa / hottub keeps tripping
RBM wrote:
"cold ribs" wrote in message news:Ik6rj.51$qw4.16@trnddc02... RBM wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. The manual that a minimum 30amp breaker should be used. Also, recommends a minimum of 6ga wire. As mentioned in another post, I don't know if the breaker is GFCI - how could I look at it and tell? You've already determined that it's not a GFCI breaker. If the tub was made to use a 30 amp circuit, it wouldn't require number 6 wire. Some tubs can be run at 30 amp or 60 amp, these have jumper settings that get adjusted to the amperage you are using. Often the documentation doesn't give the exact specs of the unit, as I've said, that will be found on a nameplate on the control panel . Look there, for the exact total amperage of the unit Also, on the inside of this new spa brain box, it recommends a minimum of 6awg wire. |
#30
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Spa / hottub keeps tripping
Tomes wrote:
I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip .... on occasion ...... take the legs off (sorry G) Tomes I WAS thinking about getting it a walker. . . ;D |
#31
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Spa / hottub keeps tripping
"cold ribs" wrote in message news:Sakrj.3872$0B2.2687@trnddc03... RBM wrote: "cold ribs" wrote in message news:Ik6rj.51$qw4.16@trnddc02... RBM wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. The manual that a minimum 30amp breaker should be used. Also, recommends a minimum of 6ga wire. As mentioned in another post, I don't know if the breaker is GFCI - how could I look at it and tell? You've already determined that it's not a GFCI breaker. If the tub was made to use a 30 amp circuit, it wouldn't require number 6 wire. Some tubs can be run at 30 amp or 60 amp, these have jumper settings that get adjusted to the amperage you are using. Often the documentation doesn't give the exact specs of the unit, as I've said, that will be found on a nameplate on the control panel . Look there, for the exact total amperage of the unit Actually, here is our spa. Page also has the specs you asked about: http://www.uscovers.com/spasandsaunas/KB331DX.PDF OK, well they call for a 50 amp breaker and #6 wire, but the current draw is less than 40 amps, so despite the abysmal and possibly dangerous wiring job, it doesn't appear that the problem is the wiring. There is a possibility that you have a bad main breaker,not likely though, and if you replace it, use no larger than 50 amps. It's tough because it does run for a time before it trips. I think you need a decent electrician or hot tub tech to put meters on it and see exactly what each component is doing to try to find the problem |
#32
Posted to alt.home.repair
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Spa / hottub keeps tripping
RBM wrote:
"cold ribs" wrote in message news:Sakrj.3872$0B2.2687@trnddc03... RBM wrote: "cold ribs" wrote in message news:Ik6rj.51$qw4.16@trnddc02... RBM wrote: "cold ribs" wrote in message news:Gb_qj.75$qV2.14@trnddc04... Charles wrote: "cold ribs" wrote in message news:IOKpj.19889$Ou1.14388@trnddc07... Hi, I have a spa outside my home. It was installed by a certified electrician, etc. It used to trip the breaker on occasion (60amp, 2 pole), like if we left the high power jets on for 20 minutes or so. No big deal. We just had the main CPU of the spa replaced and now it trips daily, regardless of jet usage. The guy who put in the new CPU said the electrician who installed the spa initially used 8ga wire instead of 6ga, which he should have used. Would this be the main reason for the tripping that used to occur on occasion? And, if so, why would it trip more frequently now? The guy who put in the CPU is finger-pointing to get off the hook! A smaller gage wire could actually reduce tripping since it adds resistance and thus reduces current flow. There is more to your problem than can be easily established by the information you provided. Duty cycles are perhaps the issue here. Circuit breakers can tolerate an overload for a period of time depending on the degree of the overload. A 20% overload is going to take a long time to trip the breaker compared to a 60% overload. The magnetic trip is very fast, but the thermal trip is slow and is a function of the degree of overload. I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? You are still not providing adequate information to determine anything. There is a nameplate on the support equipment that should tell you the exact current draw of the unit. This will determine if the correct size wire was used. Is the circuit breaker that's tripping a GFCI type breaker? knowing this would give some possible clues as well. The manual that a minimum 30amp breaker should be used. Also, recommends a minimum of 6ga wire. As mentioned in another post, I don't know if the breaker is GFCI - how could I look at it and tell? You've already determined that it's not a GFCI breaker. If the tub was made to use a 30 amp circuit, it wouldn't require number 6 wire. Some tubs can be run at 30 amp or 60 amp, these have jumper settings that get adjusted to the amperage you are using. Often the documentation doesn't give the exact specs of the unit, as I've said, that will be found on a nameplate on the control panel . Look there, for the exact total amperage of the unit Actually, here is our spa. Page also has the specs you asked about: http://www.uscovers.com/spasandsaunas/KB331DX.PDF OK, well they call for a 50 amp breaker and #6 wire, but the current draw is less than 40 amps, so despite the abysmal and possibly dangerous wiring job, it doesn't appear that the problem is the wiring. There is a possibility that you have a bad main breaker,not likely though, and if you replace it, use no larger than 50 amps. It's tough because it does run for a time before it trips. I think you need a decent electrician or hot tub tech to put meters on it and see exactly what each component is doing to try to find the problem Great, thanx. Well, they do have new FedPa replacement 50 2 pole breakers at Home Depot. I'll try that and see if that helps. If not, it's time for yet another "professional." |
#33
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Spa / hottub keeps tripping
On Fri, 08 Feb 2008 15:04:06 GMT, cold ribs wrote:
I had the spa off for several days out of frustration - left the breaker off. Turned it back on, and it was fine for nearly 2 days. Now, it trips daily. It'll stay when you turn it back on (doesn't immediately switch back off) on but then trip at some point during the day. Does this sound like the "thermal trip" you described? Has water gotten into your circuit breaker box? This happened to ours a couple of times, when windstorms drove the rain onto the side of the house and some water found a small hole in the putty plug for the hot tub power line, and it was enough to get the breaker to trip repeatedly. After I realized what was going on, I fixed the putty plug and made sure the entire electrical circuit breaker box was dry, and the hot tub breaker has been fine ever since. Sometimes a simple thing like this can wreak serious havoc. |
#34
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Spa / hottub keeps tripping
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#36
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Spa / hottub keeps tripping
"RBM" wrote OK, well they call for a 50 amp breaker and #6 wire, but the current draw is less than 40 amps, so despite the abysmal and possibly dangerous wiring job, it doesn't appear that the problem is the wiring. There is a possibility that you have a bad main breaker,not likely though, and if you replace it, use no larger than 50 amps. It's tough because it does run for a time before it trips. I think you need a decent electrician or hot tub tech to put meters on it and see exactly what each component is doing to try to find the problem Some time ago, I suggested trying a new breaker. And if that didn't work, to call an electrician and/or a spa tekkie to diagnose the problem. I guess it got lost in all the bull****. Steve |
#37
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Spa / hottub keeps tripping
SteveB wrote:
"RBM" wrote OK, well they call for a 50 amp breaker and #6 wire, but the current draw is less than 40 amps, so despite the abysmal and possibly dangerous wiring job, it doesn't appear that the problem is the wiring. There is a possibility that you have a bad main breaker,not likely though, and if you replace it, use no larger than 50 amps. It's tough because it does run for a time before it trips. I think you need a decent electrician or hot tub tech to put meters on it and see exactly what each component is doing to try to find the problem Some time ago, I suggested trying a new breaker. And if that didn't work, to call an electrician and/or a spa tekkie to diagnose the problem. I guess it got lost in all the bull****. Steve Heh. No, it wasn't. I picked on up today and will try it tomorrow. |
#38
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Spa / hottub keeps tripping
cold ribs wrote:
SteveB wrote: "RBM" wrote OK, well they call for a 50 amp breaker and #6 wire, but the current draw is less than 40 amps, so despite the abysmal and possibly dangerous wiring job, it doesn't appear that the problem is the wiring. There is a possibility that you have a bad main breaker,not likely though, and if you replace it, use no larger than 50 amps. It's tough because it does run for a time before it trips. I think you need a decent electrician or hot tub tech to put meters on it and see exactly what each component is doing to try to find the problem Some time ago, I suggested trying a new breaker. And if that didn't work, to call an electrician and/or a spa tekkie to diagnose the problem. I guess it got lost in all the bull****. Steve Heh. No, it wasn't. I picked on up today and will try it tomorrow. Well, got a brand new 50amp FedPac breaker. I hadn't done anything that before but it wasn't bad at all. So far, about 8 hours no, no tripping. . . |
#39
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Spa / hottub keeps tripping
In article ,
wrote: On Sat, 09 Feb 2008 17:49:47 -0800, Smitty Two wrote: In article , wrote: A lot of people were killed. Cite? Well, gee, I guess nobody ever got electrocuted in places with both electricity and water. I guess that's why no one ever bothered to invent GFCI protection, and it has never become part of electrical codes anywhere in the world. Go cite yourself. That's what I thought, you're just imagining things. The real truth is, the number of people who are killed by electrocution in this country, by 120 VAC, in their homes, is negligibly small. You said "a lot of people were killed" before GFCIs. That simply isn't true. More people die by tripping and falling down on *level ground* than get electrocuted in their home. My "smugness" as you called it, is actually based on scientific fact. |
#40
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Spa / hottub keeps tripping
Well, thank you everyone. A brand new 50amp breaker seems to have taken
care of the problem! |
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