Section 404.9(B) states, "Metal faceplates shall be connected to an equipment grounding conductor" whether or not a metal faceplate is installed. These materials are provided by Mike Holt Enterprises ...
According to Sec. 314.3, “Nonmetallic boxes shall be permitted only with open wiring on insulators, concealed knob-and-tube wiring, cabled wiring methods with entirely nonmetallic sheaths, flexible ...
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