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#1
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Wiring in conduit
Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does
code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Thanks for the info. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. Buying a single 75' piece, by the foot, will still set me back $30. All replies appreciated. Ivan Vegvary |
#2
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Wiring in conduit
In article ,
"Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Thanks for the info. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. Buying a single 75' piece, by the foot, will still set me back $30. All replies appreciated. Ivan Vegvary This is one of those instances where'd I'd say the code is a "suggestion." Sort of like a stop sign in the middle of nowhere in the middle of the night. If you can solder well and put a couple of layers of shrink tube on it, I'd say go for it. I wouldn't do it with wire nuts. |
#3
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Wiring in conduit
In article , Smitty Two wrote:
In article , "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Thanks for the info. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. Buying a single 75' piece, by the foot, will still set me back $30. All replies appreciated. Ivan Vegvary This is one of those instances where'd I'd say the code is a "suggestion." Then your advice is worth exactly what the OP is paying for it. In many places, the Code is _the law_. Sort of like a stop sign in the middle of nowhere in the middle of the night. If you can solder well and put a couple of layers of shrink tube on it, I'd say go for it. I wouldn't do it with wire nuts. Code violation, and, if underground, unsafe besides. Electrical codes are there for a reason. Don't advise people to disregard them. |
#4
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Wiring in conduit
On Jun 27, 10:24*am, (Doug Miller) wrote:
In article , Smitty Two wrote: In article , "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. *Total run 75 feet.. *Does code allow me to have a splice within the conduit? *Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Thanks for the info. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. *Buying a single 75' piece, by the foot, will still set me back $30. All replies appreciated. Ivan Vegvary This is one of those instances where'd I'd say the code is a "suggestion." Then your advice is worth exactly what the OP is paying for it. In many places, the Code is _the law_. Sort of like a stop sign in the middle of nowhere in the middle of the night. If you can solder well and put a couple of layers of shrink tube on it, I'd say go for it. I wouldn't do it with wire nuts.. Code violation, and, if underground, unsafe besides. Electrical codes are there for a reason. Don't advise people to disregard them.- Hide quoted text - - Show quoted text - Agreed especially since he mentioned soldeing the wires. The code should be violated only by those who know how |. Jimmie |
#5
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Wiring in conduit
In article , JIMMIE wrote:
On Jun 27, 10:24=A0am, (Doug Miller) wrote: Code violation, and, if underground, unsafe besides. Electrical codes are there for a reason. Don't advise people to disregard them. Agreed especially since he mentioned soldeing the wires. The code should be violated only by those who know how |. Soldering isn't a Code violation. |
#6
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Wiring in conduit
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#7
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Wiring in conduit
On Jun 27, 1:52*pm, (Doug Miller) wrote:
In article , JIMMIE wrote: On Jun 27, 10:24=A0am, (Doug Miller) wrote: Code violation, and, if underground, unsafe besides. Electrical codes are there for a reason. Don't advise people to disregard them. Agreed especially since he mentioned soldeing the wires. The code should be violated only by those who know how |. Soldering isn't a Code violation. I dont know what the NEC says about soldering but its a bad idea. Solder joints cant handle 20 amps of current unless they are made extremely well. Ive known to many really fine electricians that couldnt solder worth anything. Even a pretty good solder joint will melt with 10 amps. Cycle the load on an off a few times and the joint will soon have more resistance than the hair dryer someone had been using on the circuit. Jimmie |
#8
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Wiring in conduit
JIMMIE wrote:
On Jun 27, 10:24 am, (Doug Miller) wrote: In article , Smitty Two wrote: In article , "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Thanks for the info. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. Buying a single 75' piece, by the foot, will still set me back $30. All replies appreciated. Ivan Vegvary This is one of those instances where'd I'd say the code is a "suggestion." Then your advice is worth exactly what the OP is paying for it. In many places, the Code is _the law_. Sort of like a stop sign in the middle of nowhere in the middle of the night. If you can solder well and put a couple of layers of shrink tube on it, I'd say go for it. I wouldn't do it with wire nuts. Code violation, and, if underground, unsafe besides. Electrical codes are there for a reason. Don't advise people to disregard them.- Hide quoted text - - Show quoted text - Agreed especially since he mentioned soldeing the wires. The code should be violated only by those who know how |. Jimmie Code ain't for you. Code is for the poor SOB 20 years from now, and a couple of owners later, trying to reverse-engineer what the hell you did. Yeah, odds are an in-line splice would work, and if done properly, would never fail. But how much would it cost to buy a long enough cable, or put a proper junction box in the middle? Shortly after I moved in here, I found a badly-done butt splice floating in the bathroom wall, because previous owner was too cheap or lazy to run a new wire, all of about 15 feet. Just recently, I discovered the 4' fluorescents in the basement were hooked up above the drop ceiling, by shoving the ends of the romex into duplex outlets wired into the octagon boxes that once held the original porcelain fixtures. I still need to rewire those, so I can have light in the basement again... -- aem sends... |
#9
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Wiring in conduit
On 6/27/2009 7:24 AM Doug Miller spake thus:
In article , Smitty Two wrote: In article , "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Sort of like a stop sign in the middle of nowhere in the middle of the night. If you can solder well and put a couple of layers of shrink tube on it, I'd say go for it. I wouldn't do it with wire nuts. Code violation, and, if underground, unsafe besides. Electrical codes are there for a reason. Don't advise people to disregard them. Ditto. Unsafe, as I have seen with my own two eyes what happens when water gets inside conduit and finds its way inside conductors (this happened when the insulation was nicked when the wires were pulled). Result was a corroded spot in the wire which caused an open circuit. -- Found--the gene that causes belief in genetic determinism |
#10
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Wiring in conduit
On Jun 27, 10:24 am, (Doug Miller) wrote:
This is one of those instances where'd I'd say the code is a "suggestion." Then your advice is worth exactly what the OP is paying for it. In many places, the Code is _the law_. I'm pretty sure he wasn't disputing that. He just meant that no one would ever know... On the other hand, I do think it's a bad suggestion. He hasn't said so yet, but I highly suspect that this is to go underground. If that solder joint fails, damages the other wires and melts the conduit someday, he's going to hate life when he has to dig it up and replace it. |
#11
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Wiring in conduit
"Smitty Two" wrote in message news In article , "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. Thanks for the info. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. Buying a single 75' piece, by the foot, will still set me back $30. All replies appreciated. Ivan Vegvary This is one of those instances where'd I'd say the code is a "suggestion." Sort of like a stop sign in the middle of nowhere in the middle of the night. If you can solder well and put a couple of layers of shrink tube on it, I'd say go for it. I wouldn't do it with wire nuts. I disagree. Certainly one can make a successful splice in a potentially wet location. This is done with deep well pumps where the splice is actually under water. The difference is that a qualified person knows that there is a splice down in the well, so if the pump doesn't work, a few tests can determine the problem and the mechanic knows where to look for the open circuit. If a person wily nilly makes splices in inaccessible locations, where they're illegal as per code, who would even think to look there. |
#12
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Wiring in conduit
In article , "RBM"
wrote: If a person wily nilly makes splices in inaccessible locations, where they're illegal as per code, who would even think to look there. If there's no continuity from one end of the cable to the other, then there's a break somewhere in between. Anyone would think to look there. A well-made splice in the situation the OP describes is never going to fail, anyway. And if it does, the length of wire is readily pulled and replaced. Illegal? Sure. So what, says I. If you understand the reason for the code, you understand under what circumstances you can ignore it, particularly in your own home. |
#13
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Wiring in conduit
Smitty Two wrote:
In article , "RBM" wrote: If a person wily nilly makes splices in inaccessible locations, where they're illegal as per code, who would even think to look there. If there's no continuity from one end of the cable to the other, then there's a break somewhere in between. Anyone would think to look there. A well-made splice in the situation the OP describes is never going to fail, anyway. And if it does, the length of wire is readily pulled and replaced. Illegal? Sure. So what, says I. If you understand the reason for the code, you understand under what circumstances you can ignore it, particularly in your own home. But that assumes that somehow you will always be there and available for the life of the house. Standard practice makes tons of sense because there is a common baseline and you don't have to scratch your head because of corner cutting and hay baled work done by someone else. |
#14
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Wiring in conduit
"Smitty Two" wrote in message news In article , "RBM" wrote: If a person wily nilly makes splices in inaccessible locations, where they're illegal as per code, who would even think to look there. If there's no continuity from one end of the cable to the other, then there's a break somewhere in between. Anyone would think to look there. A well-made splice in the situation the OP describes is never going to fail, anyway. And if it does, the length of wire is readily pulled and replaced. Illegal? Sure. So what, says I. If you understand the reason for the code, you understand under what circumstances you can ignore it, particularly in your own home. You are demonstrating your inexperience in your statement. For one thing "your own home" becomes someone else's home at some point. True, one can determine that the conductor is shorted or open, but when things are not done by the book, it invariably takes longer to find the problem, since we begin looking for the most logical location to find the problem. Another thing, when multiple conductors are pulled in a conduit, they're pulled together. In the process they get twisted around each other. Often you cannot just "readily" pull a conductor out of the bunch. Sometimes the "stuff" that accumulates in underground conduits acts as a glue, and can make it difficult or impossible to remove the conductors intact, especially if you've got some lump of a splice in there. Do it once, do it right. You may have every right to muck up your own home, but I would refrain from recommending that it's OK for others to do it |
#15
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Wiring in conduit
On Sat, 27 Jun 2009 13:31:18 -0400, "RBM" wrote:
"Smitty Two" wrote in message news In article , "RBM" wrote: If a person wily nilly makes splices in inaccessible locations, where they're illegal as per code, who would even think to look there. If there's no continuity from one end of the cable to the other, then there's a break somewhere in between. Anyone would think to look there. A well-made splice in the situation the OP describes is never going to fail, anyway. And if it does, the length of wire is readily pulled and replaced. Illegal? Sure. So what, says I. If you understand the reason for the code, you understand under what circumstances you can ignore it, particularly in your own home. You are demonstrating your inexperience in your statement. For one thing "your own home" becomes someone else's home at some point. True, one can determine that the conductor is shorted or open, but when things are not You should be able to do what you want in YOUR home. After all, it would be YOUR family and YOUR friends that could be killed. |
#16
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Wiring in conduit
On Fri, 26 Jun 2009 20:44:39 -0700, "Ivan Vegvary"
wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. NEC does not allow this. Connections must be made in an accessable approved electrical box. |
#17
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Wiring in conduit
On Sat, 27 Jun 2009 19:19:21 -0400, Phisherman
wrote: On Fri, 26 Jun 2009 20:44:39 -0700, "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. NEC does not allow this. Connections must be made in an accessable approved electrical box. Not 100% true any more. There are now "T-Tap" devices approved by the NEC, UL, and CSA for making connections without a junction box in non-accessible locations. I would never use them or advise anyone to use them, but they are (currently) legal and available. Aluminum wire and Urea formadehyde insulation were both legal and available in the not so distant past as well. However, the NEC has not (yet) allowed a splice inside a conduit. |
#18
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Wiring in conduit
Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet.
Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. Two 90° bends are involved but I am using long sweeps. BTW, while I'm typically not a cheapskate, on my retirement allowance I would rather not pay for a new roll of wire ($65) when I'm only shy a few feet. Buying a single 75' piece, by the foot, will still set me back $30. I wouldn't recommend a spliced connection in conduit. I don't believe code allows it, but even if you made a successful soldered and insulated splice that section of the wire would be "stiff" compared to the rest of the flexible wire. It may make it more difficult to pull the wire through conduit bends, and if the splice is not "mechanically" as strong as the wire, you could pull the splice apart when pulling the cable. You would never know if there is damage to the splice until you have an electrical problem. For example, say a portion of the splice breaks but leaves a strand or two of the stranded wire. It would work fine until put under enough load to overheat the wire. This could melt the insulation on adjoining cables and cause a short. You didn't mention what this conduit run was for, but I suspect $30 for a piece of wire is minimal compared to the rest of the project. Have you compared the cost of the wire and conduit, against just running a bare UF rated underground cable? If you're running conduit, you're probably spending a little extra to do the job right and allow flexibility in the future. Why cheap out on the last little piece of wire? If you're REALLY strapped for cash, watch your local Craigslist for people getting rid of electrical supplies, and/or post an ad that you're looking for some. I sold a couple hundred feet of various cables a few months ago for $10, and see contractors selling surplus all the time. There wouldn't be any harm using a "larger" wire than you need (i.e. Using a #6 or #8 gauge wire in place of your #10), so that widens your options a bit. If you're going to do the job, you might as well do it right... Good Luck, Anthony |
#19
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Wiring in conduit
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#20
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Wiring in conduit
Paul Franklin wrote:
On Sat, 27 Jun 2009 02:11:42 -0400, wrote: On Fri, 26 Jun 2009 20:44:39 -0700, "Ivan Vegvary" wrote: Running 3 #10's (stranded) in 1-1/2" PVC conduit. Total run 75 feet. Does code allow me to have a splice within the conduit? Seems like it is kind of accessible since I can easily pull it from both ends in case of problems. .... No splices in the conduit, sorry. But if the situation allows, you could put a box in the right spot and make the splice in there.... .... Or, again if it works, you could make one of the bends at a box instead of the sweep... Whatever, "pullable for access" doesn't equate to "accessible" per NEC. -- |
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