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In an arrangement having both electrical and diesel driven engine pump, is NFPA 70 695.3(B) requirement still needed?

Question asked by Max Jahnke on Sep 13, 2017

PS: I know that for one electrically driven pump, if the source is not reliable, I could then for example have it fed from utility company and have an ATS to a local generator. My question is related for the situation where I have 2 separate pumps, because in terms of reliability, I would be enhancing it as well.

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