Sizing your OCPDs, Part 2

Discuss this Article 2

R J Keith (not verified)
on Dec 26, 2012

The Author fails to mention that 240.4(B) applies to devices rated 800 amps or less. It does not apply to devices over 800 amps, which conductor rating must be equal to or greater than the OCPD rating, this is (C). There are a few other restrictions mentioned as well.

8ballEinstein (not verified)
on Jan 1, 2013

I believe he mentioned the possible exceptions in the last sentence.

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