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Single 0, or 2AWG wire pricing (slightly OT)

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Mook Johnson

Jan 1, 1970
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I'm looking to have a 15kW natural gas generator installed. I have two
choices, since my NG meter and electricity meter are on opposite sides of
the house (about 250 zig-zag ft away). I talked with a few plumbers about
burying NG pipe to feed the generator and that bill was $2500.

Option B is to put the genny close to the NG and run heavy wire to the fuse
box. before I talk with the electronical guys I'd like to get an estimate
of how much the wire is going to cost.

I'm assuming for a 250' run I'll need at least 800' for the three wires
(hot1 hot2 and neutral).

Does it need to be in conduit since it will be running through my attic and
breezeway?

Where can I find a supply shop that carries this type of wire?
 
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Tim Williams

Jan 1, 1970
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Mook Johnson said:
Option B is to put the genny close to the NG and run heavy wire to the fuse
box. before I talk with the electronical guys I'd like to get an estimate
of how much the wire is going to cost.

A lot. Copper is pricey these days.
Does it need to be in conduit since it will be running through my attic and
breezeway?

Maybe, depends on code. Might also be combined in a single plastic jacket.
I don't think lone wires, even bundled together, are ever allowed anymore,
why I don't know. At any rate, the conduit is probably 1.5" or so (again,
check code), which isn't too expensive, being a steel product.
Where can I find a supply shop that carries this type of wire?

Anywhere that supplies building supplies. Phone book under "electrical
supply", Home Despot (not sure if they have 0AWG), etc.

About that 0AWG: 15kW at 240V is about 60A, which is rated for 6AWG about.
4AWG would be more than enough, even over the long run you have to cover.

Tim
 
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Steve Wolfe

Jan 1, 1970
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About that 0AWG: 15kW at 240V is about 60A, which is rated for 6AWG about.
4AWG would be more than enough, even over the long run you have to cover.

He may be thinking of aluminum cable, which is often used for the big
runs, as it's less expensive - but needs to be at least one size larger.

steve
 
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Mook Johnson

Jan 1, 1970
0
Steve Wolfe said:
He may be thinking of aluminum cable, which is often used for the big
runs, as it's less expensive - but needs to be at least one size larger.

steve

Had not really thought of that but it is a good idea. I'll have to look at
the terminations on either side to make sure they will allow aluminum wire
instead of copper.
 
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