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QUOTE(JYurgo @ Aug 30 2009, 11:19 PM) <{POST_SNAPBACK}>Anyone using a portable generator...
I do at home when there's a power failure.

QUOTE(JYurgo @ Aug 30 2009, 11:19 PM) <{POST_SNAPBACK}>Do you get the reverse polarity light on your shorepower panel?
That absolutely should not happen. Something is faulty, be it the generator, the cable or your boat's electrical system.

Are you using your normal shore power cord to plug into the generator? Is it a commercially-manufactured shore-power cable with molded connectors at each end?

QUOTE(JYurgo @ Aug 30 2009, 11:19 PM) <{POST_SNAPBACK}>What do you do about it? Thanks
If you don't know your way around electricity, find somebody that does. You have a potentially life-threatening situation. The output of a portable generator is every bit as capable of electocuting somebody or starting an electrical fire as is commercial service.

Do not use this combination until you've found out what's wrong and have corrected it!
 

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Are you sure the "hot" and "neutral" are wired correctly? Do you have "ground" and "neutral" tied together at the source (generator)?

My understanding is that a portable generator connected using temporary cables does not *have* to be grounded, but the "ground" and "neutral" should be tied together at the source. This is not done on the boat's panel but should be done at the source (either the electrical panel serving the electrical outlet, or the generator)
 
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