Daniel B. Grover, P.E., Director of Electrical Engineering, M&E Engineers, Somerville, N.J.

Full Circuit

The manager of construction services at a large corporation was distressed. He called his electrical engineer to relate that at a recent lunch with an electrical equipment representative, he was informed that the use of circuit breakers as a transfer switch was in violation of the circuit breaker's Underwriters Laboratories (UL) listing and the National Electrical Code (NEC).