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Author Topic: NEMA 14-50R & 14-30R  (Read 559 times)

eric lenasbunt

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    • Bunt Backline Event Services, LLC
Re: NEMA 14-50R & 14-30R
« Reply #10 on: April 29, 2014, 03:16:52 pm »

I actually just installed a Leviton plug today with a 14-50r, but the plug can be easily changed by switching the pin for the neutral. The plug end was $20 or so at Home Depot. I am saving the pin in my distro rack for this reason.
  Adapter would be faster, but this is cheap and I rarely run into the 30amp version. Every place hear tends to be 50r or CS.
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Rich Grisier

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Re: NEMA 14-50R & 14-30R
« Reply #11 on: April 29, 2014, 05:54:51 pm »

... using #10 (typical on a 30 amp circuit) with a 14-50 plug isn't permitted, as the 14-50R is presumably protected with a 50 amp breaker, higher than allowed for #10. ...

True, The recommendation from the manual for the ACD-100 when wired to a 240 system is #6/4 AWG.

They also mention that the neutral conductor can be #10, but doesn't have to be.  Most cable has the same wire size for all wires, so in this case they would all be a minimum of #6.
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