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#1
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2-prong to 3-prong
------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## |
#2
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2-prong to 3-prong
chuckferguson wrote:
------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck Dangerous to humans? Probably not much, since computers are mostly plastic these days. Dangerous to the computer- probably to definitely, depending on how house is wired, and how often power goes flakey in that part of town. Did you tell your boss what you did? Did you pull a cover and see if the feed wire had a ground, or perhaps was grounded through metallic conduit? Cure may be as simple as switching the outlet for a grounded one, hooked up properly. A gfci could be installed with the appropriate label as being non-grounded. PROPER cure is to get an electrician in there- if the house wiring is marginal, best cure is to snake a dedicated string back to service panel, just for the computer station. If the people use this computer to make a living, a small UPS box is probably indicated. -- aem sends... |
#3
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2-prong to 3-prong
If the entire house has 2 prong outlets. the easiest thing to do would
be to install GFI breakers to protect the entire circuit ( except the fridge circuit). |
#4
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2-prong to 3-prong
"chuckferguson" wrote in message ... ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## For you, not being an electrician, the most practical thing to do is carry a few grounding adapters like these: http://www.radioshack.com/sm-3-prong...i-2104010.html. Make your installation using the adapters and instruct the customer to contact their electrician to provide a grounded outlet for the installed equipment. |
#5
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2-prong to 3-prong
If a power wire inside the computer touches the (metal) case of the
computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. -- Christopher A. Young Learn more about Jesus www.lds.org .. "chuckferguson" wrote in message ... Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck |
#6
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2-prong to 3-prong
Hi,
I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck Explain it to the home owners, let them decide weather to go forward or not, Advise them to contact an electrician, and have them sign a release of liability. You may have just screwed yourself. Lou |
#7
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2-prong to 3-prong
Claude Hopper wrote:
chuckferguson wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## NEVER cut a ground prong! Just get the little gray adapters that convert 3 prong to 2 with a green wire that has a spade lug on it. Plug the power strip into the adapter, connect the adapter green wire to the middle screw on the wall plug. If it's grounded it will be grounded, if it isn't it isn't. Not your problem. Plug the adapter into the 2 prong outlet. Point out to the owners that this is not the best connection but they should be used to it since they must have had to do this all over the house. Check and see how they have their microwave plugged. BEST reply!! Lou |
#8
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2-prong to 3-prong
In article ,
"Stormin Mormon" wrote: If a power wire inside the computer touches the (metal) case of the computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. Bah. Show me one news article from anywhere in the world at any time since the advent of personal computers in which someone was "electrocuted" -- the word means shocked to death -- in the fashion you describe. OP, I wouldn't worry about it. |
#9
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2-prong to 3-prong
On Sep 1, 2:40*pm, (chuckferguson)
wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via *http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## Installing a two prong to three prong adapter (or a "grounding" adapter) is usually the same thing as cutting the ground prong off of a cord; if an equipment grounding conductor was present then a three prong receptacle would have been installed. I have never run across a two prong receptacle installed on a branch circuit that had an equipment grounding conducter present. For those that insist a conduit acts as the equipment grounding conductor; how many homes have conduit installed for branch circuits? The correct course of action would be to install a GFCI receptacle and mark it "No Equipment Ground" or install an equipment grounding conductor. This is beyond the scope of an installer of PC's and you should have made that recomendation. |
#10
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2-prong to 3-prong
On Tue, 2 Sep 2008 03:59:02 +0200 (CEST), JJ wrote:
(chuckferguson) wrote in : ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## That wasn't smart; also really dangerous. Adapters. That's what they're made for. Plug the surge strip into a properly grounded adapter. Most surge strips have a light to tell u if it's grounded anyway. An adapter isn't going to provide a ground. All it will do is connect the power strip's ground to the screw of the outlet which won't be grounded. |
#11
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2-prong to 3-prong
On Mon, 1 Sep 2008 18:57:41 -0400, "Stormin Mormon"
wrote: If a power wire inside the computer touches the (metal) case of the computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. Dry skin is unlikely to conduct enough electricity to be dangerous (at 120V). Maybe that applies to the computer you keep by the side of your bathtub. |
#12
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2-prong to 3-prong
On Tue, 02 Sep 2008 10:30:37 -0500, Gary H wrote:
On Mon, 1 Sep 2008 18:57:41 -0400, "Stormin Mormon" wrote: If a power wire inside the computer touches the (metal) case of the computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. Dry skin is unlikely to conduct enough electricity to be dangerous (at 120V). Maybe that applies to the computer you keep by the side of your bathtub. Not only that, but power supplies don't connect the mains to the ground. The chance of the ground being anything but high impedance is rather unlikely. The ground is there for the unlikely chance that a broken wire inside the computer could come in contact with the case and this is extremely rare. Don't take the computer into the bathtub and there won't be a problem. |
#13
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2-prong to 3-prong
On Mon, 01 Sep 2008 20:52:58 -0700, Smitty Two
wrote: In article , "Stormin Mormon" wrote: If a power wire inside the computer touches the (metal) case of the computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. Bah. Show me one news article from anywhere in the world at any time since the advent of personal computers in which someone was "electrocuted" -- the word means shocked to death I don't think so, although that is common usage. in the fashion you describe. OP, I wouldn't worry about it. The word "electrocuted" seems to come from "executed". In case you didn't know "execute" DOES NOT mean "kill". It means "make happen". When someone is put to death, it's a death sentence that's being executed, not the prisoner. Corruption occurs when people leave out words without considering their meaning. |
#14
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2-prong to 3-prong
On Tue, 02 Sep 2008 10:35:52 -0500, Gary H
wrote: On Mon, 01 Sep 2008 20:52:58 -0700, Smitty Two wrote: In article , "Stormin Mormon" wrote: If a power wire inside the computer touches the (metal) case of the computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. Bah. Show me one news article from anywhere in the world at any time since the advent of personal computers in which someone was "electrocuted" -- the word means shocked to death I don't think so, although that is common usage. in the fashion you describe. OP, I wouldn't worry about it. The word "electrocuted" seems to come from "executed". In case you didn't know "execute" DOES NOT mean "kill". Yes it does. It means dead, forever. |
#15
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2-prong to 3-prong
wrote in message ... On Sep 1, 2:40 pm, (chuckferguson) wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## Installing a two prong to three prong adapter (or a "grounding" adapter) is usually the same thing as cutting the ground prong off of a cord; if an equipment grounding conductor was present then a three prong receptacle would have been installed. I have never run across a two prong receptacle installed on a branch circuit that had an equipment grounding conducter present. #### Simply not true. Many units (at least in NYC) built in the 60's had BX wiring with two prong recepticles. A grounding adapter, while far from perfect, would work in those cases. -- Peace, BobJ #### For those that insist a conduit acts as the equipment grounding conductor; how many homes have conduit installed for branch circuits? The correct course of action would be to install a GFCI receptacle and mark it "No Equipment Ground" or install an equipment grounding conductor. This is beyond the scope of an installer of PC's and you should have made that recomendation. |
#16
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2-prong to 3-prong
On Sep 1, 5:40*pm, (chuckferguson)
wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via *http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## Did anybody else notice the first line of this post? "I install home computers" For who? Who would send out a technician that knows so little about the power/wiring requirements for the equipment he is charged with installing? I smell a troll. |
#17
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2-prong to 3-prong
On Tue, 02 Sep 2008 13:21:27 -0400, metspitzer
wrote: [snip] In case you didn't know "execute" DOES NOT mean "kill". Yes it does. How many computer programs have you killed? :-) It means dead, forever. "forever" is a meaningless concept to humans. |
#18
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2-prong to 3-prong
on 9/2/2008 1:21 PM metspitzer said the following:
On Tue, 02 Sep 2008 10:35:52 -0500, Gary H wrote: On Mon, 01 Sep 2008 20:52:58 -0700, Smitty Two wrote: In article , "Stormin Mormon" wrote: If a power wire inside the computer touches the (metal) case of the computer, the case can become energized. And thus, a shock hazard to the people. With a grounded system, the power goes through the ground wire back to the earth. With the ground prong cut off, the power goes through the person, electrocuting that person. Bah. Show me one news article from anywhere in the world at any time since the advent of personal computers in which someone was "electrocuted" -- the word means shocked to death I don't think so, although that is common usage. in the fashion you describe. OP, I wouldn't worry about it. The word "electrocuted" seems to come from "executed". In case you didn't know "execute" DOES NOT mean "kill". Yes it does. It means dead, forever. And an 'executive' or 'executor' is someone who kills people? -- Bill In Hamptonburgh, NY in the original Orange County To email, remove the double zeroes after @ |
#19
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2-prong to 3-prong
Marilyn & Bob wrote:
wrote in message ... On Sep 1, 2:40 pm, (chuckferguson) wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## Installing a two prong to three prong adapter (or a "grounding" adapter) is usually the same thing as cutting the ground prong off of a cord; if an equipment grounding conductor was present then a three prong receptacle would have been installed. I have never run across a two prong receptacle installed on a branch circuit that had an equipment grounding conducter present. #### Simply not true. Many units (at least in NYC) built in the 60's had BX wiring with two prong recepticles. A grounding adapter, while far from perfect, would work in those cases. Same here in MI and in IN where I used to live- from late 50s to mid 60s, grounded romex and boxes with 2-hole outlets was quite common. Made converting the 2-hole outlets in this place easy- just made sure the copper wound around the romex under the clamp was shiny, the clamp was snug, and ground the outlet to the box. Magic outlet meter is happy. Yeah, I know current code regards that as borderline, but I wasn't about to try and unwind that 45 year old copper to run it to the screw on the outlet. It does get brittle. Putting the ground wire under the clamp was SOP by all the electricians when I was growing up watching them. They said it made for a less crowded box. -- aem sends... |
#20
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-google_groups- 2-prong to 3-prong
DerbyDad03 wrote:
On Sep 1, 5:40 pm, (chuckferguson) wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## Did anybody else notice the first line of this post? "I install home computers" For who? Who would send out a technician that knows so little about the power/wiring requirements for the equipment he is charged with installing? Best Buy (among others) would. They don't pay very well and get what they pay for. My buddy's son worked for the local one when he graduated from college while he was looking for a real job. The kid is really sharp and went on to get a really good position and a reputable company. He said they got minimal training at BB which mostly consisted of how to push other stuff while they were doing an "expert" installation. I smell a troll. |
#21
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2-prong to 3-prong
On Mon, 01 Sep 2008 21:39:24 -0400, LouB wrote:
Claude Hopper wrote: chuckferguson wrote: NEVER cut a ground prong! Just get the little gray adapters that convert 3 prong to 2 with a green wire that has a spade lug on it. Plug the power strip into the adapter, connect the adapter green wire to the middle screw on the wall plug. If it's grounded it will be grounded, if it isn't it isn't. Not your problem. Plug the adapter into the 2 prong outlet. Point out to the owners that this is not the best connection but they should be used to it since they must have had to do this all over the house. Check and see how they have their microwave plugged. BEST reply!! Lou Yes. My thought exactly. ________________________ Whatever it takes. |
#22
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2-prong to 3-prong
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#23
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2-prong to 3-prong
On Thu, 04 Sep 2008 00:51:41 -0400, Michael A Ball wrote:
On Mon, 01 Sep 2008 21:39:24 -0400, LouB wrote: Claude Hopper wrote: chuckferguson wrote: NEVER cut a ground prong! Just get the little gray adapters that convert 3 prong to 2 with a green wire that has a spade lug on it. Plug the power strip into the adapter, connect the adapter green wire to the middle screw on the wall plug. If it's grounded it will be grounded, if it isn't it isn't. Not your problem. Plug the adapter into the 2 prong outlet. Point out to the owners that this is not the best connection but they should be used to it since they must have had to do this all over the house. Check and see how they have their microwave plugged. BEST reply!! Lou Yes. My thought exactly. Idiot. If the outlet hasn't a ground wire, connecting the equipment ground to the outlet's center screw won't help one damn bit. |
#24
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2-prong to 3-prong
On Thu, 04 Sep 2008 00:38:10 -0500, AZ Nomad
wrote: ... BEST reply!! Lou Yes. My thought exactly. Idiot. If the outlet hasn't a ground wire, connecting the equipment ground to the outlet's center screw won't help one damn bit. I didn't say the answer was flawless: merely the best-- to that point. "Idiot"? LOL Well, I see how you recognized me so easily. Thanks for the laugh. _______________________ "Only two things are infinite, the Universe and human stupidity, and I'm not sure about the former." --Albert Einstein |
#26
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-google_groups- 2-prong to 3-prong
On Sep 3, 6:49*pm, George wrote:
DerbyDad03 wrote: On Sep 1, 5:40 pm, (chuckferguson) wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. I didn't know what else I could do, so I removed the grounding prongs from a six-splitter and plugged that into the wall. I plugged the computer and the LCD display into the six-splitter. Can someone tell me if this is dangerous and if so how dangerous? Thanks very much. chuck ##-----------------------------------------------## Delivered via *http://www.thestuccocompany.com/ Building Construction and Maintenance Forum Web and RSS access to your favorite newsgroup - alt.home.repair - 310791 messages and counting! ##-----------------------------------------------## Did anybody else notice the first line of this post? "I install home computers" For who? Who would send out a technician that knows so little about the power/wiring requirements for the equipment he is charged with installing? Best Buy (among others) would. They don't pay very well and get what they pay for. My buddy's son worked for the local one when he graduated from college while he was looking for a real job. The kid is really sharp and went on to get a really good position and a reputable company. He said they got minimal training at BB which mostly consisted of how to push other stuff while they were doing an "expert" installation. I smell a troll.- Hide quoted text - - Show quoted text -- Hide quoted text - - Show quoted text - Best Buy owns/uses GeekSquad. I could be wrong, but I don't the Squaders are pulling out wire cutters and cutting ground plugs off of power strips. Let the GeekSquad horror stories commence. |
#27
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2-prong to 3-prong
On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two
wrote: ...I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." It isn't that the ungrounded computer is dangerous: it is the computer, and peripherals, that are in danger. _______________________________ "Some people learn something new every day, others just get 24 hours older." |
#28
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2-prong to 3-prong
Michael A. Ball wrote:
On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: ...I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." It isn't that the ungrounded computer is dangerous: it is the computer, and peripherals, that are in danger. _______________________________ "Some people learn something new every day, others just get 24 hours older." Hi, Let me ask you one question. What about laptop, Blackberry, iPhone? Are they grounded? How many computers have external peripherail devices? |
#29
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2-prong to 3-prong
In article ,
Michael A. Ball wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: ...I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." It isn't that the ungrounded computer is dangerous: it is the computer, and peripherals, that are in danger. Really? What are they in danger of? Incoming AC is transformed, rectified, filtered, and regulated. How many line gremlins are going to get through all that? The "surge suppressor" and "line conditioner" shucksters are laughing their way to the bank with the protection racket payouts of the ground-pin worshipping masses. |
#30
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2-prong to 3-prong
On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two
wrote: I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." An ungrounded computer would be dangerous for the same reason an ungrounded stove would be. If there is a hot to case short, the computer would have 120V on the case. This could electrocute you, and you would be dead, forever. |
#31
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2-prong to 3-prong
On Thu, 04 Sep 2008 14:36:35 GMT, Tony Hwang wrote:
Michael A. Ball wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: ...I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." It isn't that the ungrounded computer is dangerous: it is the computer, and peripherals, that are in danger. _______________________________ "Some people learn something new every day, others just get 24 hours older." Hi, Let me ask you one question. What about laptop, Blackberry, iPhone? Are they grounded? How many computers have external peripherail devices? They don't have to be. They don't operate on 120V. |
#32
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2-prong to 3-prong
In article ,
metspitzer wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." An ungrounded computer would be dangerous for the same reason an ungrounded stove would be. If there is a hot to case short, the computer would have 120V on the case. This could electrocute you, and you would be dead, forever. OK, I'll humor you. Please open up your computer, and take a picture of the 120VAC wire that could come loose and short to the case. That's assuming the case is metal, of course, which it most likely is not. |
#33
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2-prong to 3-prong
In article ,
metspitzer wrote: On Thu, 04 Sep 2008 14:36:35 GMT, Tony Hwang wrote: Michael A. Ball wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: ...I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." It isn't that the ungrounded computer is dangerous: it is the computer, and peripherals, that are in danger. _______________________________ "Some people learn something new every day, others just get 24 hours older." Hi, Let me ask you one question. What about laptop, Blackberry, iPhone? Are they grounded? How many computers have external peripherail devices? They don't have to be. They don't operate on 120V. Neither does a desktop. It operates on 5 and 12 VDC. |
#34
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2-prong to 3-prong
On Thu, 04 Sep 2008 10:41:37 -0700, Smitty Two
wrote: In article , metspitzer wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." An ungrounded computer would be dangerous for the same reason an ungrounded stove would be. If there is a hot to case short, the computer would have 120V on the case. This could electrocute you, and you would be dead, forever. OK, I'll humor you. Please open up your computer, and take a picture of the 120VAC wire that could come loose and short to the case. That's assuming the case is metal, of course, which it most likely is not. You have to open the power supply. It is the wire attached to the fuse block. They are in every computer. If you don't know where they are, just Google it. |
#35
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2-prong to 3-prong
On Sep 4, 1:41*pm, Smitty Two wrote:
In article , *metspitzer wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous.." An ungrounded computer would be dangerous for the same reason an ungrounded stove would be. If there is a hot to case short, the computer would have 120V on the case. This could electrocute you, and you would be dead, forever. * OK, I'll humor you. Please open up your computer, and take a picture of the 120VAC wire that could come loose and short to the case. That's assuming the case is metal, of course, which it most likely is not.- Hide quoted text - - Show quoted text - That's assuming the case is metal, of course, which it most likely is not I may not be using the same brand of computer as you, but every computer I've ever used or owned all have AC wires inside the power supply which has a metal case which is screwed to a metal chassis which is wrapped in a metal skin. Could you be referring to the keyboard for your Web TV machine? I'm pretty sure that's plastic. |
#36
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2-prong to 3-prong
In article
, DerbyDad03 wrote: On Sep 4, 1:41*pm, Smitty Two wrote: In article , *metspitzer wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." An ungrounded computer would be dangerous for the same reason an ungrounded stove would be. If there is a hot to case short, the computer would have 120V on the case. This could electrocute you, and you would be dead, forever. * OK, I'll humor you. Please open up your computer, and take a picture of the 120VAC wire that could come loose and short to the case. That's assuming the case is metal, of course, which it most likely is not.- Hide quoted text - - Show quoted text - That's assuming the case is metal, of course, which it most likely is not I may not be using the same brand of computer as you, but every computer I've ever used or owned all have AC wires inside the power supply which has a metal case which is screwed to a metal chassis which is wrapped in a metal skin. Could you be referring to the keyboard for your Web TV machine? I'm pretty sure that's plastic. AC "wires" inside the power supply? If you're referring to a couple of two inch long wires that connect the AC power jack to the circuit board, fine. Otherwise, still waiting for a pic. Still wonder how a two inch long wire is going to jump out and kill someone. I asked Chris to come forward with a news account of that happening, anywhere at any time, and I'm still waiting. I don't know what percentage of computers have outer cases of plastic versus metal, but a brief survey at work shows most of them are plastic, and those cover a wide range of age and make. I don't care how much metal is inside, if the outer case is plastic that's pretty much the final word on shock hazard. Props on the WebTV slur. Pretty original. You must've gone all the way to Chapter Two of your little internet joke book for that. The subtle irony of that having come from one of the crowd who thinks Google invented usenet, didn't escape my keen observation. |
#37
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2-prong to 3-prong
On Fri, 05 Sep 2008 09:56:09 -0700, Smitty Two
wrote: AC "wires" inside the power supply? If you're referring to a couple of two inch long wires that connect the AC power jack to the circuit board, fine. Otherwise, still waiting for a pic. Still wonder how a two inch long wire is going to jump out and kill someone. I asked Chris to come forward with a news account of that happening, anywhere at any time, and I'm still waiting. If one of those two wires come lose and goes to metal, it is pretty easy to see. I don't know what percentage of computers have outer cases of plastic versus metal, but a brief survey at work shows most of them are plastic, and those cover a wide range of age and make. I don't care how much metal is inside, if the outer case is plastic that's pretty much the final word on shock hazard. My computer case is metal, and painted black. This paint lowers the chance, even more, that the case would electrocute you, but grabbing the thumb screws at the back of the computer could still kill you. I don't know if it has ever happened, but that doesn't mean it can't. With a proper ground, the chances are even lower. That is what the NEC is shooting for. |
#38
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2-prong to 3-prong
On Sep 5, 12:56*pm, Smitty Two wrote:
In article , *DerbyDad03 wrote: On Sep 4, 1:41*pm, Smitty Two wrote: In article , *metspitzer wrote: On Thu, 04 Sep 2008 06:38:25 -0700, Smitty Two wrote: I suspect you guys who think grounding is god's gift to mankind of being trolls. Perhaps I missed the answer to my earlier query about what exactly y'all think it is that makes an ungrounded computer "dangerous." An ungrounded computer would be dangerous for the same reason an ungrounded stove would be. If there is a hot to case short, the computer would have 120V on the case. This could electrocute you, and you would be dead, forever. * OK, I'll humor you. Please open up your computer, and take a picture of the 120VAC wire that could come loose and short to the case. That's assuming the case is metal, of course, which it most likely is not.- Hide quoted text - - Show quoted text - That's assuming the case is metal, of course, which it most likely is not I may not be using the same brand of computer as you, but every computer I've ever used or owned all have AC wires inside the power supply which has a metal case which is screwed to a metal chassis which is wrapped in a metal skin. Could you be referring to the keyboard for your Web TV machine? I'm pretty sure that's plastic. AC "wires" inside the power supply? If you're referring to a couple of two inch long wires that connect the AC power jack to the circuit board, fine. Otherwise, still waiting for a pic. Still wonder how a two inch long wire is going to jump out and kill someone. I asked Chris to come forward with a news account of that happening, anywhere at any time, and I'm still waiting. I don't know what percentage of computers have outer cases of plastic versus metal, but a brief survey at work shows most of them are plastic, and those cover a wide range of age and make. I don't care how much metal is inside, if the outer case is plastic that's pretty much the final word on shock hazard. Props on the WebTV slur. Pretty original. You must've gone all the way to Chapter Two of your little internet joke book for that. The subtle irony of that having come from one of the crowd who thinks Google invented usenet, didn't escape my keen observation.- Hide quoted text - - Show quoted text - I don't know what percentage of computers have outer cases of plastic versus metal... Yet you're willing to say "That's assuming the case is metal, of course, ** which it most likely is not.**? My similiar survey show the exact opposite. In fact there's not a plastic case in sight, at work or at home. Unless someone comes forward with some documented percentages, it's nothing more than an assumption that any given computer case "most likely is not" metal. one of the crowd who thinks Google invented usenet There ya go, making assumptions again. Just like it's a stretch to assume that any given computer case "is most likely not" metal, it's quite a stretch from "he uses Google groups" to "he thinks Google invented usenet". It's just possible that there are valid reasons for using Google- groups . Perhaps one's corporate-installed image does not allow for the installation or use of newsreader applications or personal email accounts. If one didn't use Google groups in those situations, one couldn't break up the work day by engaging in such witty banter with other members of this group. ...didn't escape my keen observation or your ability to jump to conclusions. |
#39
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2-prong to 3-prong
On Sep 1, 5:40*pm, (chuckferguson)
wrote: ------------------------------------- Hi, I install home computers, and recently I was in a beautiful old house to install a machine but found there were only two-prong ungrounded outlets. Two prongs does not always mean no ground. In many old homes the outlets are connected via metal conduit which provides a ground. Without checking you can not be sure it is grounded even if it has a metal conduit. Since there are so many variations around and in older homes there often are non-code wiring, I suggest that to be safe, either assume there is no ground, or have it professionally checked. |
#40
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2-prong to 3-prong
DerbyDad03 wrote:
On Sep 5, 12:56 pm, Smitty Two wrote: In article , (snip) It's just possible that there are valid reasons for using Google- groups . Perhaps one's corporate-installed image does not allow for the installation or use of newsreader applications or personal email accounts. If one didn't use Google groups in those situations, one couldn't break up the work day by engaging in such witty banter with other members of this group. That's why my office blocks Google Groups. Not Google itself- the place would grind to a halt without it. Just the groups. The only way I can bump any personal or fun stuff during the day, is to detach from the LAN, fire up the wireless, and get out through the non-trusted wireless nodes they keep running in the conference rooms so visitors can do their demos. They block anything that looks like personal mail, news feeds, chat sites, hobby sites, forums, etc. Hell, I can't even hit my work email from home any more, unless I take the company machine home and VPN in. They even turned off the web mail interface. -- aem sends... |
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