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Old 12-30-2009, 01:28 PM   #1
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Generator setup(looking for opinions)

Hi, I am in the process of wiring my generator to my house so I don't have to run extension cords every time we lose power. I just want to run this by electricians to make sure this sounds kosher.

Here's an overview of what I am doing. I have a portable 5500 watt generator that I am wiring to the house so I don't need to run extension cords during an outage.

I have a unique situation in that It's a multi family home (house and Basement in-law apt.) and it has to main panels on 2 separate meters. What I want to do install one of those recessed receptacles outside by my shed to keep the generator as far away from the house as possible, I plan to run #6 THHN in conduit underground to achieve this.

once inside the house I want to mount a 6 space load center with 2 double pole 30A breakers in it, the #6 wire will come into the box from the plug and supply the box with power.

From sub panel I want to run #8 wire thru 2 seperator peices of conduit to each breaker box to a 30A 2 pole breaker in each box. How does this sound?

Questions you may have...

1. Where's the transfer switch?
I have Square D Mechanical interlocks on each breaker box the 30A breakers occupy slots 2 and 4 in each box.

Questions I have...

1. Is it ok to have #6 neutral wire running from the sub panel to each breaker box with the rest of the wire being #8?
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Old 12-30-2009, 05:39 PM   #2
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As long as the interlocks keep the mains turned off while the 30 amp breakers are on, then you are fine.
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Old 12-30-2009, 10:01 PM   #3
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I would check with your local utility company. Mine said you may not use the main as the disconnect.
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