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Re: Is it legal to make a custom slip ring?
Quote:
Originally Posted by Jon Stratis
The question is... Are two connectors each rated for 30A, placed in parallel, gauged correctly for a 40A branch circuit? I could make an argument in either direction. It really would need a GDC ruling on it through the Q&A.
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It would be good to see an official Q&A ruling.
I would suggest a reference to NEC sections 310.10H and 310.15(B)(3)(a) as guidance to amperage rating of using parallel conductors in a slip ring module.
For a Four Conductor Module you should be approved for 80% of the conductor amperage rating of each individual wire pair, provided they are same overall length.
Thus with two + two of the four conductors in parallel, the Rating should be = 2*30A*0.8=48 amps
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Last edited by InFlight : 27-05-2016 at 15:33.
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