correct size wire??????

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wdalrymple

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Is this right.
from the main disconnect.To Pnl A(fused at 150 amps)
4#2/0, #6g, #10g, in 2 1/2c.
to pnl B with (60 amp breaker)
4#6, 2#10g in 1 1/4c.

this is supposed to be for an isolated ground in Pnl B

Thanks Will Dalrymple
 
Re: correct size wire??????

1. Why 4 ungrounded conductors to each panel?

2. The grounded conductor is based on the total unbalanced load, so cannot be determine with your question.

3. Conduit sizes look right.
 
Re: correct size wire??????

Bryan, I think he has

3 - 2/0 ungrounded conductors

1 - 2/0 grounded conductor

1 - 6 AWG equipment grounding conductor

1 - 10 AWG isolated grounding conductor

But still it would be nice to have some more info. :)

Bob
 
Re: correct size wire??????

wdalrymple, What is it you want to know?

The IG conductor only has to be large enough for the circuits it serves so a 10 AWG could be fine.
 
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