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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 12:26:30 -0800
>
>>
>> 10 gauge wire is too smallish for a 30 foot run for a legal limit amp.
>Look
>> at the voltage at both ends with an 8877 running full output.  Quality of
>> connectors can also be an issue, as well, since that is the point of
>maximum
>> resistance.
>>
>
>#10 is good for 30A (24A continuous)
>
>30A x 240V = 7.2KVA
>
>Approximately = 7,200 Watts
>
>I can't imagine a legal limit amplifier drawing more than that, but will
>accept if they do.

I can't imagine that you think we are talking about 1500w amplifiers.  

>I have a SB-220 which rated 10 amps @240V = 2.4KVA or Approximately = 2,400
>Watts
>(I don't know what the power factor is)
>
>30A x 100' run on #10AWG CU = 6.9 volts dropped.

This is for a resistive load.  C filter DC supplies are different.  The 
peak to avg current ratio is c. 10 to 1.  

end

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


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