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[AMPS] 240VAC Amplifier Wiring

To: <amps@contesting.com>
Subject: [AMPS] 240VAC Amplifier Wiring
From: 2@vc.net (measures)
Date: Wed, 15 Nov 2000 04:38:06 -0800
>
>Thanks to those of you who helped me discover the "3-pole, 4-wire" 240 VAC
>outlet.  This is exactly what I was looking for and it is intended for those
>applications where a separate ground and neutral are required.   

The US standard is 120v-0v-120v.  

>I again
>went with a twist-lock connector, this time an isolated ground type from
>Leviton.  I just got back from making my electrical materials purchase.
>It's amazing what happens to the cost per foot of electrical cable when you
>jump from #10 to #8 AWG.
>
>I suspect that the wiring information contained in the 77Dx/Sx manual dates
>back to a time when it was considered "acceptable" to allow the neutral to
>function as the equipment ground.  It doesn't matter that the neutral and
>ground are tied together at the load center; it can very dangerous to rely
>on a current carrying neutral to function as a ground.  

It is potentially dangerous not to connect the cabinet of U. S. built 
amplifiers to the Neutral wire.  This is true for 120v as well 240v 
operation.  

end

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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