the green equipment/safety ground wire must never ever carry current excepto
clear a fault, (blow the fuse) when a hot wire has touched or otherwise
found a current path to the grounded enclosure. If the neutral alone was
sufficient, the green/bare wire wouldn't have been added sixty years agoin
the 1950's
Jim
N7FCF
----- Original Message -----
From: "Jim Brown" <jim@audiosystemsgroup.com>
To: <amps@contesting.com>
Sent: Monday, April 04, 2011 2:44 PM
Subject: Re: [Amps] Fw: Re: 4 wire 240VAC service? What to do now?
> On 4/4/2011 2:23 PM, Gary Schafer wrote:
>> It makes no difference if they are both tied together at the outlet in
>> your
>> case provided,, that is a straight run to the panel with no other outlets
>> along the way and the panel serving it is the main service entrance panel
>> and not a sub panel.
>
> Oh -- but it DOES matter if you twist neutral and green together and
> connect them to the power amp chassis, and you MUST connect the green to
> the power amp chassis!
>
>> Note that sometimes a main panel is wired as a sub panel with the main
>> breaker located outside the house and the distribution panel located
>> inside.
>> In this case the main breaker panel outside is your main service entrance
>> panel and the ground and neutral would be bonded there and not in the
>> distribution panel located inside.
>
> Yes.
>
>> The best thing to do with the neutral wire at the outlet if you are going
>> to
>> use only the ground is to put a wire nut on the neutral wire and leave
>> it.
>
> Yes.
>
> 73, Jim K9YC
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