Code Q&A: Location of Overcurrent Protection Devices

Code Q&A: Location of Overcurrent Protection Devices

NEC guidelines for overcurrent protection on a circuit

Q. Where does the Code require overcurrent protection to be located in a circuit?

Find the Answer

A. Except as permitted by Sec. 240.21(A) through (H), overcurrent devices must be placed at the point where the branch-circuit or feeder conductors receive their power. Taps and transformer secondary conductors aren’t permitted to supply another conductor (tapping a tap isn’t permitted).

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