Code Q&A: GFCI Requirements

NEC rules on GFCI protection

 

Q. Does the NEC require GFCI protection when replacing a non-GFCI receptacle in an existing building?

Find the Answer

A. When existing receptacles are replaced in locations where GFCI protection is currently required, the replacement receptacles must be GFCI protected [406.4(D)(3)].

Exception: Where receptacle replacement is impracticable, such as where the outlet box size won’t permit the installation of

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