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VOLTAGE DROP

05/10/2009 9:44 AM

WHAT SIZE WIRE DO I NEED FOR 30 AMPS AT A DISTANCE OF 500 FOOT

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Guru
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#1

Re: VOLTAGE DROP

05/10/2009 8:50 PM

See the NUMEROUS previous threads on CR4 for an answer. If this is a homework question then try 5 core 148mm2 XLB (cross-linked bakelite) insulation, the extra 3 cores are for the return path.

Guru
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#2

Re: VOLTAGE DROP

05/11/2009 3:24 AM

One that pulls British Standard 7671 off the bookshelf without snapping.

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Guru

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#3

Re: VOLTAGE DROP

05/13/2009 1:43 AM

Wire Copper
American Wire Gauge (AWG) Size 8 AWG (6 sq mm)
Voltage 240 Volts 1-phase
1-way circuit
length in feet 500
Load 30 Amps
Voltage drop 19.37
Voltage at load 220.63
% of voltage drop 8.07

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