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Old 06-29-2012, 05:35 AM   #31
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Generator power transfer switch


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Originally Posted by andrew79 View Post
i didn't say it would stop functioning, i said it will look for the easiest path to ground, not necessarily back to it's source.

Current will NOT flow unless it can get back to its source, this isn't an argument, this is a FACT. I just want you to understand that. The earth has no role what so ever in a functioning electrical system.

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When you grab the hot and get shocked what happens? it hurts like hell. If the power were trying to go back to it's source it wouldn't bother running through you into the ground now would it.I guess technically speaking it's going through the ground back to it's source via the pole ground but at that point your just pulling straws.
Again, current will not flow unless it can get back to its source, think about how a gfci works, and why a grounding (equipment ground) is not necessary for them to operate.

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Unfortunately your going to argue with me over it for the sake of arguing anyways so there wasn't much point in explaining myself,


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Sorry you feel this way, I was just trying to educate you in some of your misleading statements.

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Old 06-29-2012, 09:35 AM   #32
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Generator power transfer switch


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Originally Posted by stickboy1375 View Post
Current will NOT flow unless it can get back to its source, this isn't an argument, this is a FACT. I just want you to understand that. The earth has no role what so ever in a functioning electrical system.

perhaps you should give this a read
http://www.esgroundingsolutions.com/...ctrical-system



Again, current will not flow unless it can get back to its source, think about how a gfci works, and why a grounding (equipment ground) is not necessary for them to operate.

a gfci works by measuring a difference in current between the neutral and the hot. If there's not the same amount of current going out as there is coming back it trips. So enough leakage current has to take place through the ground, or another path in it's attempt to get back to your pole transformer. Other things like a lengthy wire run can burn off enough to make it fault as well. A gfci really has no bearing on anything we've been discussing. Your talking two totally different things. Your ground is your reference point to earth(0v), it's like the electrical system bleed off valve. It'll work without it but you'll see some strange things happening as in the above article i posted.



Sorry you feel this way, I was just trying to educate you in some of your misleading statements.
I'm not always right, in fact a lot of the time i'm not, but at least i can admit when i'm wrong. Yes a very certain set of circumstances has to happen for a linesman to get hurt from a neutral back feed. The possibility is there though and the op was originally asking about generator hookups. The interlock kit which may be a cheap alternative in a lot of instances isn't allowed in some countries.
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Old 06-29-2012, 11:33 AM   #33
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Generator power transfer switch


This is a pretty good link for generators.

http://members.rennlist.com/warren/generator.html
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Old 06-29-2012, 04:22 PM   #34
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Generator power transfer switch


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Originally Posted by andrew79 View Post
Yes a very certain set of circumstances has to happen for a linesman to get hurt from a neutral back feed. The possibility is there though and the op was originally asking about generator hookups.
I don't see how it exist, the generator is a non SDS, so no ground rods are driven at the generator, thus, I don't see how current would flow to a utility transformer X0, back down a ground rod to nothing at the generator (the source of the current, where current MUST return.) hope that helps, if not, draw it on paper and try to get back to the generator from the utility X0 to the generator X0. My biggest complaint was your comment that current doesn't need to return to its source but rather the earth, if that statement were actually true, we would need a ground rod for every flashlight.

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Old 07-05-2012, 07:10 AM   #35
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I'm wanting to run a supply line from my 15kw generator to supply my home in a emergency. Would a double throw transfer switch be what I need to isolate my power from the grid?

I'm not a professional., But I did stay at Holiday Inn Express last night.
I think you can use the mechanical interlock to isolate between generator power and the grid. See the following photo.

http://www.mediafire.com/?c4md1qz7bv7zjd9

The following website will help you: ATS Simply


Last edited by ahmedats; 07-05-2012 at 07:12 AM.
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