Air-conditioning and refrigeration equipment is required by NEC 440.4(A) and (B) to be marked with a marked with the maker's name, the rating in volts, frequency and number of phases, and other information.

Question

Quizplus · Accepted Answer

The best choice is a visible nameplate as it allows easy identification of the important information required by NEC 440.4(A) and (B) without the need for additional labels or tags. It also ensures that the information is durable and will not become detached or obscured during the lifespan of the equipment.

Air-Conditioning and Refrigeration Equipment Is Required by NEC 440