What Wire Size Do I Need


Old 11-26-02, 10:59 AM
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What Wire Size Do I Need

I am remodeling my basement and want to put a 200A sub-panel in the basement. I will have a separate 62.5kw furnace for the basement, + home office, workshop with radial arm saw, compressor, router, + misc small tools, and a family room with TV area, sewing area, kitchenette with just a frig. and microwave and a bathroom with an in-the-wall 1500w supplemental heater.

I will be installing a 100A sub-panel in the workshop feeding from the basement 200A sub-panel.

I have a 17 year old 200A box with all of the breakers from a full house available to use.

What size wiring will I need to run from the primary box to the sub-panel.

Sorry to have to resubmit a question I sent in about three weeks ago, couldn't be helped, wife's medical problem took priority.
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Old 11-26-02, 12:24 PM
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62.5KW furnace? That's 260 amps of 240 volts all by itself. Is your house really 60,000 square feet?
Old 11-27-02, 10:21 AM
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I'll double check this weekend.
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