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#25584 - 05/13/03 02:54 PM Tripping arc-fault breakers on generator backup power  
retiredGuy  Offline
Junior Member
Joined: May 2003
Posts: 1
Conway, NH, USA
Hello All,

I just installed a Generac 7,000 watt generator with a Connecticut Electric Switch
Energen Manual Transfer Switch Model 10-7500.
Two of the circuits on the Manual Transfer Switch are wired to supply power, in a power-loss situation, to two bedroom arc-fault circuit breakers in this Square D distribution panel. The Arc-fault breakers trip whever the generator supplied power is placed on the circuits.

Is it possible to wire to these circuits so as not to trip the distribution panel arc-fault breakers?
Is it likely that I have made a mistake????
Should these circuits be wired differently than all the others???

Thank you for your help,

Ron Gabaree,
Master Electrician/ Contractor


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#25585 - 05/13/03 05:53 PM Re: Tripping arc-fault breakers on generator backup power  
Bjarney  Offline
Moderator
Joined: Apr 2002
Posts: 2,527
West-Southern Inner-Northeast ...
Verify that, in the transferred condition, the (one) neutral-to-ground bonding jumper is intact. [For a typical residential system, that should almost always be the case regardless of the transfer-switch position.]



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