[TenTec] Centurion Amplifier - 110 volt?

[John]

Please correct me if I am wrong , the 240 line should not even be extended 
with a extension cord let alone using a 110 line .  John kbn2huk
----- Original Message ----- 
From: "Dr. Gerald N. Johnson" <geraldj at storm.weather.net>
To: <tentec at contesting.com>
Sent: Sunday, September 24, 2006 3:06 PM
Subject: Re: [TenTec] Centurion Amplifier - 110 volt?


> 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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