Adding the convenience of a locking 30 Amp plug on a 12 inch 10/5 SOW-A tail input, the Lex BNB3-3B Bento Box can be used in a variety of applications to distribute power to to three (3) NEMA 5-20, 20 Amp duplex receptacles. It's ideal for cameras, lights, effects, audio equipment and tools used in video production trailers, OB vans and similar outside production work. The BNB3-3B ensures overcurrent safety with its (6) 20 Amp hydraulic magnetic branch-rated circuit breakers.