50 Amp Cord 125v vs 250v - Sam's Marine International
2011-4-12u2002·u2002Re: 50 Amp Cord 125v vs 250v. 125/50 has 3 wires: H N and G. 125-250/50 has 4 wires: H H N G. both have 3 pins, but the 125-250/50 uses the outside ring for ground. the pins have different shapes so that you can't use the wrong cord. no safe work around.
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