[Elecraft] Breakers for KPA1500?

Bob McGraw K4TAX rmcgraw at blomand.net
Tue Jul 10 09:29:39 EDT 2018


I split off with a 120 volt duplex outlet from L1 and another from L2 
and I have a 240 volt outlet for the amp.  Thus both neutral and ground 
are needed for the 120 volt duplex outlets. The configuration is very 
adequate, legal,  and safe for the entire station.

73

Bob, K4TAZ


On 7/10/2018 6:06 AM, N2TK, Tony wrote:
> I do not understand the need for three wires plus ground. For a clothes dryer outlet a neutral is required to get 110VAC from one of the phases to the neutral. But for amps you only need both phases and a ground. The plugs are three wire, not four.
> 73,
> N2TK, Tony
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jim Brown
> Sent: Monday, July 09, 2018 8:40 PM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] Breakers for KPA1500?
>
> On 7/9/2018 12:26 PM, Bob McGraw K4TAX wrote:
>> I would also suggest using three -  #10 with ground as the line from
>> the breakers to the amp operating position.
> Not only a suggestion -- it's the law! Electrical Codes carry the force of law, and they require that the equipment ground must 1) run with the current carrying conductors and 2) must be no smaller than the largest conductor.
>
> 73, Jim K9YC
>
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