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Author Topic: Back up generator advice needed  (Read 1406 times)

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Offline John Mc

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Re: Back up generator advice needed
« Reply #40 on: November 07, 2017, 12:48:26 pm »
Sizzling and popping makes me wonder if someone wired the plug wrong and delivered 240 into a 120 line?
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Don P

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Re: Back up generator advice needed
« Reply #41 on: November 07, 2017, 07:31:52 pm »
I'll try to get a post mortem from the electrician. Where my mind was wandering to, on a portable generator with plugs and breakers there must be a ground-neutral bond at that panel? The house panel would also have a bond... and now my pea just sits there and says "so?", and I don't know.

Offline John Mc

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Re: Back up generator advice needed
« Reply #42 on: November 07, 2017, 08:06:06 pm »
Well, you've got me going now, Don P. I know with some generators, you have to separate the ground to neutral bond before connecting it to your home (or maybe you have to connect it? I can't remember which.)  Generators designed to work on a job site are wired one way, and those designed to connect to a house are wired another. I can't remember the details, but I didn't remember the difference causing things to go snap-crackle-pop - unless there were other problems.
If the only tool you have is a hammer, you tend to see every problem as a nail.   - Abraham Maslow

Offline Don P

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Re: Back up generator advice needed
« Reply #43 on: November 07, 2017, 09:44:12 pm »
We're at the same place. A foggy memory of stories of those little generators not being able to just plug up to a panel because of a bonding problem. I think you would unbond ground from neutral in the generator panel and run 4 wires to the house panel, hot, hot, neutral, ground?

What happens in the double bonded scenario if there is a wire on the wrong screw somewhere in the house with something plugged into it?