The SNB-3731 is a gray NEMA 4 Sheet Metal Box/Enclosure made of 16-gauge steel with smooth powder coated finish. Hinged cover clamps to the base with keyed quarter turn latch for a watertight seal. External mounting brackets allow box to be mounted on a wall or panel without having to remove the cover and exposing internal components to the environment. Bonding studs for grounding are provided on base and door.