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Re: [TenTec] Centurion Amplifier - 110 volt?

To: tentec@contesting.com
Subject: Re: [TenTec] Centurion Amplifier - 110 volt?
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Reply-to: geraldj@storm.weather.net,Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 24 Sep 2006 14:06:04 -0500
List-post: <mailto:tentec@contesting.com>
On Sat, 2006-09-23 at 11:09 -0600, Ron wrote:
> Ed,
> Not knowing all the particulars of the circuit feeding into your shack my
> suggestion may not be relevant, but here goes anyway.  If your 110 VAC 3
> wire circuit in the shack is dedicated to that location (as in it does not
> serve other outlets prior to entering the shack), you should be able to
> install a 220 VAC circuit breaker of appropriate amp rating for the wire
> gauge at the panel and feed the circuit to the shack from this new breaker
> giving you 220 VAC to the shack.  Install a new sub panel in the shack and
> provide an earth ground for the new sub panel and split off 220 and 110 VAC
> circuits in your shack from this source.  Once you have this installed, you
> can use the 220 VAC amps. Surface runs of EMT are cheap and quick to
> install. This improvement may require an electrical inspection and permit
> from the local building code folks.
> Ron
> KA7U
> 
This will not pass inspection. You are trying to supply a subpanel that
requires a 4 wire cable with a three wire cable. The addition of a local
ground rod does not meet the code requirements, nor is running the
neutral in the bare conductor in the romex allowed by the code. Nor is
running 120 volts on the white conductor.

It will work but with much reduced shock safety. Don't do it.
-- 
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer

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