NM CID ES-1 Practice Questions - New Mexico CID ES-1 Electrical Signs And Outline Lighting Examination Exam

NEC 600.7 and 250.4 prohibit using the earth as which of the following for a sign or outline-lighting system?

An auxiliary grounding electrode location, if 250.54 is followed A burial medium for a listed underground raceway A location for a concrete-encased electrode on new work The effective ground-fault current path

Correct Answer:

The effective ground-fault current path

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