Code Q&A: Rules When Mixing Conductor Types in Same Raceway

Code Q&A: Rules When Mixing Conductor Types in Same Raceway

NEC rules on installation of conductors

Q. What are the rules related to the installation of conductors under 50V with conductors from 120V, 208V, 240V, 277V, and 480V systems in the same raceway or enclosure?

Find the Answer

A. Class 1 circuit conductors can be installed with associated power conductors [725.48(B)(1)] if all conductors have an i

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