Internal parts of electrical equipment, including _____, shall not be damaged or contaminated by foreign materials such as paint, plaster, cleaners, abrasives, or corrosive residues. a) busbars b) wiring terminals c) insulators d) all of the above See answer and applicable Code reference The correct answer is: d) all of the above The general requirements for electrical installations are outlined in Art. 110. As per 110.12(B), "Internal parts of electrical equipment, including ...
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