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I have a Reliance 50amp transfer switch which I am connecting to a 50 amp inlet box. My understanding is that 6 awg copper wire should be run from the inlet box to the transfer switch. The question I have is does the ground wire also need to be 6 awg? I have seen examples where 6 awg was used for the conductors and the neutral, but 10 awg was used for the ground. Is this acceptable or should all 4 wires be 6 awg?

Martin
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1 Answers1

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According to NEC Table 250.122, 10 AWG copper or 8 AWG aluminum is sufficient for a 25A - 60A circuit.

manassehkatz-Moving 2 Codidact
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