Code Q&A: Mixing Conductors from Different Voltage Systems

Code Q&A: Mixing Conductors from Different Voltage Systems

NEC rules on installation of conductors from different voltage systems

Q. What are the rules related to the installation of conductors from different voltage systems — such as 120V, 208V, 240V, 277V, and 480V — in the same raceway or enclosure?

Find the Answer

A. If the premises wiring system contains branch circuits supplied from more than one voltage system, each ungrounde

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