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iBoaterer[_2_]

In article ,
says...

I'm thinking of upgrading to a larger standby generator, probably a 17KW
model.

The generator will be approximately 50 to 60 feet away from the house
circuit breakers. The wire will run under the main level floor and above
the lower level ceiling.

I want as little current drop as possible. The generator provides
100 amps.

One of the contractors under consideration wants to use aluminum wire,
but I am more than willing to pay the premium between aluminum and
copper. I don't have an electrical "handibook" available.

What I am wondering:

1. Is 4/0 copper wire heavy enough?

You need an "electrical handbook" to figure it out???? If so, you are
already in over your head. There are very simple formulas for finding
out just what size wire you need

2. Anyone know a supplier for about 70 feet of the stuff?

Home Depot, Lowes, or Ace Hardware.

Our local electrical suppliers don't seem to want to provide a length
that short.

Thanks.

P.S. I'm really only interested in replies from those with an
educational or professional electrical background.

JustWait

On 10/5/2011 9:25 AM, iBoaterer wrote:
In ,
says...

I'm thinking of upgrading to a larger standby generator, probably a 17KW
model.

The generator will be approximately 50 to 60 feet away from the house
circuit breakers. The wire will run under the main level floor and above
the lower level ceiling.

I want as little current drop as possible. The generator provides
100 amps.

One of the contractors under consideration wants to use aluminum wire,
but I am more than willing to pay the premium between aluminum and
copper. I don't have an electrical "handibook" available.

What I am wondering:

1. Is 4/0 copper wire heavy enough?

You need an "electrical handbook" to figure it out???? If so, you are
already in over your head. There are very simple formulas for finding
out just what size wire you need

I keep one in my electrical box. It's a Readers Digest or something like
that on home electrical. It keeps me honest

I do a lot of plumbing and
electrical for friends, I pride myself for being able to do it right,
and nice and neat too. I have all the tools for snaking through walls
and foundations too. Sometimes it's even fun.

2. Anyone know a supplier for about 70 feet of the stuff?

Home Depot, Lowes, or Ace Hardware.

Our local electrical suppliers don't seem to want to provide a length
that short.

Thanks.

P.S. I'm really only interested in replies from those with an
educational or professional electrical background.

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