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Fault Current
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Author:  Vica1ME [ Tue Apr 14, 2015 9:18 am ]
Post subject:  Fault Current

I'm wondering if there's any data available that indicates the necessary available fault current, on a 277V system, to blow a hole through the sheathing of a MC cable (#12 awg, 3 conductor).



Assume worst-case - a bolted fault either between phase/ground or phase/sheathing.



If I know that necessary available fault current, I could then conduct a fault current analysis for my particular situation to determine if there's even sufficient current for that to hypothetically occur.

Author:  PaulEngr [ Wed Apr 15, 2015 7:52 pm ]
Post subject:  Re: Fault Current

There are formulas for metal damage but gas pressure will open it up before it melts through.

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