The electrical service goes to the house. There are 3 underground 000
> cables that go to the barn from the house. The barn has a 60 amp breaker in
> the breaker box at the house. The 12,000 watt generator is in the barn. It
> has a 50 amp 240vac outlet, a 30 amp 240vac outlet and several others. I am
> hooking the 50 amp outlet to the house. I am using the same 3 underground
> 000 cables to send generator power to the house during a power outage.
sampe problem same solution.
A 90 amp contactor in the barn won't connect the generator to the house
> unless:
> 1. The electrical service to the house is off, and
> 2. The service disconnect switch at the house is off.
>
> When the generator is turned on, it tests the service disconnect at the
> house to assure the above two conditions are met. This is done by sending a
> 1 second electrical pulse to the house to see if it will actuate a coil. If
> the coil actuates, the 90 amp contactor latches open and prevents backfeed
> into the grid.
sounds unlikely to work.
If the service power turns on during that 1 second, the
> generator power and service power will clash and throw a 50 amp breaker to
> the generator.
if you're lucky.
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