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

Discussion in 'Electronic Design' started by Mook Johnson, Jun 23, 2007.

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  1. Mook Johnson

    Mook Johnson Guest

    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?
     
  2. Tim Williams

    Tim Williams Guest

    A lot. Copper is pricey these days.
    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.
    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
     
  3. Steve Wolfe

    Steve Wolfe Guest

    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
     
  4. Mook Johnson

    Mook Johnson Guest

    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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