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Douglas E. Shook wrote:
>
> Michael Leach wrote:
>
> Now, add shop power to the equation.
> 200amp supplied to house from electric company.
> 100 or 200amp breaker added to main panel then routed to sub-panel in
> shop.
> If you are really using all 100 or more amps in the shop you are only
> leaving 100 or less amps for the house right?
>
> Mr. Leach,
>
> You are absolutely on target. If you have 100 amp service, you could,
> theoretically, have each of the branch circuits set to 100 amps
> (assuming you are using #1/0 on the branches). As long as the total draw
> on all circuits is less than 100 amps, you are fine. The key here is the
> total concurrent current draw.
>
> I also support your notion that 200 amps is a great deal of current for
> a single family home even with a serious garage.
>
> I think what many of us implicitly are kicking back and forth here is
> whether there is one person out there in the garage working or whether
> you have "folks" working for you out there in the shop. One person
> concurrently consuming 100 or 200 amps of of 220VAC current (22,000 or
> 44,000 watts) ought to be a magnificently productive individual (40 or
> 80 HP of output).
>
> I'll admit my bias, though. Here in LA, we heat our water, cook our
> meals and heat our home with natural gas. We really only use
> electricity to run motors, lights and welders.
>
> thank you,
>
> shook
> B50SS advocate
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Message-ID: <3373E966.7AB1@usc.edu>
Date: Fri, 09 May 1997 23:20:07 -0400
From: "Douglas E. Shook" <dshook@usc.edu>
Reply-To: dshook@usc.edu
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To: Michael Leach <mrleach@Fair.Net>
Subject: Re: 220v circuit in garage
References: <3373E94A.3A8A@fair.net>
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Michael Leach wrote:
Now, add shop power to the equation.
200amp supplied to house from electric company.
100 or 200amp breaker added to main panel then routed to sub-panel in
shop.
If you are really using all 100 or more amps in the shop you are only
leaving 100 or less amps for the house right?
Mr. Leach,
You are absolutely on target. If you have 100 amp service, you could,
theoretically, have each of the branch circuits set to 100 amps
(assuming you are using #1/0 on the branches). As long as the total draw
on all circuits is less than 100 amps, you are fine. The key here is the
total concurrent current draw.
I also support your notion that 200 amps is a great deal of current for
a single family home even with a serious garage.
I think what many of us implicitly are kicking back and forth here is
whether there is one person out there in the garage working or whether
you have "folks" working for you out there in the shop. One person
concurrently consuming 100 or 200 amps of of 220VAC current (22,000 or
44,000 watts) ought to be a magnificently productive individual (40 or
80 HP of output).
I'll admit my bias, though. Here in LA, we heat our water, cook our
meals and heat our home with natural gas. We really only use
electricity to run motors, lights and welders.
thank you,
shook
B50SS advocate
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