Standby Generators

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Old 07-11-04, 10:37 PM
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Standby Generators

Has anyone had a fully automatic standby generator installed for
your home?
They are located outdoors and are hooked up to the home's
natural gas. They begin working within seconds of a power outage.
The power they supply are from 7KW to 12KW for an entire home.
The cost installed runs from $3,000 to $5,000.
The cost is high. Any other pro's or con's?
 
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Old 07-12-04, 05:20 AM
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It's a great idea if it is sized and installed properly.
12kW is approximately 50A 240/120V single phase. You home is probably 100 or 200A 240/120V single phase. Be sure that you do not overload the gen as it will be connected to the whole house.
 
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Old 07-12-04, 07:02 AM
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Be sure that you do not overload the gen as it will be connected to the whole house.
The backup generators I have seen come with a subpanel connected to the transfer switch. The idea is you move only selected critical circuits from the main panel into this subpanel. In a power failure only these circuits get backup power, the rest of the main panel stays dead.
 
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Old 07-12-04, 07:28 AM
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You will have that choice of either the entire house with a single automatic transfer switch, or a load side subpanel as described by mikewu99.
The smaller gens would benifit from the subpanel idea for obvious reasons.
 
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