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Old 04-17-2013, 10:59 AM   #76
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


Do generators usually list that info somewhere? It would be nice while shopping for one if they mentioned if it was bonded and if it was easily removable.

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Old 04-17-2013, 12:08 PM   #77
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


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Do generators usually list that info somewhere? It would be nice while shopping for one if they mentioned if it was bonded and if it was easily removable.
Not sure but getting a copy of the manual to check it out would be a good idea.
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Old 04-17-2013, 12:23 PM   #78
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


I know, but as it is just narrowing down the 100's of choices is a chore.

What gen did you get?
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Old 02-11-2014, 01:41 AM   #79
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


This thread literally just gave me a headache.
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Old 02-12-2014, 12:42 PM   #80
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


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I know i stirred the pot on the issue, but the reality of it is, everyday generators are installed incorrectly by licensed contractors, and the like... Most people don't feel it is a real issue with the multiple N-G connection in a portable generator installation, well, because it still works in the end, and most likely will never be an issue. but still a violation none the less, and under the right circumstances could create a serious issue. Its one of those items that just gets installed either by lack of knowledge, or just the way we do it mentality...
As was stated, most generators were meant to power portable tools via extention cords, and not built to meet NEC codes. That said: Portable generators can and are used to backfeed homes during power outages. Thousands, if not millions of people have done this without incident. During Sandy the entire neighborhood was running generators, I was running my house plus cords to 3 neighbors. We were out for 15 days. Everyone survived. Under the right set of unfortunate circumstances, someone can get hurt. What in life can't you say that about? Although removing the ground/neutral jumper in a generator "officially" voids the warranty, what generator offers anything over a year anyway? And should your generator require warranty service, do you really think the mechanic at the shop is going to tell the manufacturer not to cover the repair because it's been tampered with? If you DID disconnect the neutral / ground bond jumper, just replace it before dropping it off for repairs. As for the NEC... if I can unplug the thing and put it in the back of the pickup, it's portable utilization equipment. As long as my neutral and ground are separate up to the outdoor twistlock input I'm golden, what I temporarily plug into it is out of their jurisdiction as it's not permanently connected.
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Old 02-22-2014, 03:50 PM   #81
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


With regards to bonding, can't you wire to sub panel? Sub panel has g n not bonded. Wouldn't that eliminate issue with g-n at generator? Use sub panel specifically as generator panel?
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Old 02-22-2014, 04:11 PM   #82
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


No, you still have 2 neutral/ground bonds (1 at main panel, 1 at generator). You either need a transfer switch that will switch the neutral to the main panel out, or break the bond at the generator.
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Old 02-22-2014, 05:22 PM   #83
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


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The only way you can use a interlock kit legally is if his generator has a floating neutral. Otherwise, he would need a manual 3 pole transfer switch.
That's true, but all generators made for home use have floating neutrals.
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Old 02-23-2014, 11:10 AM   #84
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


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That's true, but all generators made for home use have floating neutrals.
Not true for portable generators. Some do, some don't. Some that have bonded neutrals specifically give the option of removing a jumper.
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Old 12-09-2014, 09:59 PM   #85
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Wiring Generator to Backfeed Breakers - Neutral and Ground Wires?


Great information. My generator says it has a system ground that connects the cram to the ground terminals in the Ac recepticals The system ground is not connected to the Ac neutral wire.

So do I need to disconnect the ground at the generator if I connect the ground and the neutral to the buss bar in my panel?

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