Leviton 5372-S00 30 Amp, 250 Volt, NEMA 6-30R, 2P, 3W, Flush Mtg Receptacle, Straight Blade, Industrial Grade, Grounding, Side Wired, Steel Strap, Black, pack of 1 Leviton 5372-S00 30 amp, 250 volt, NEMA 6-30r, 2 pole, 3 wire, flush mounting receptacle, straight blade, industrial grade, Grounding,, side wired, steel strap - black. Leviton line of extra heavy-duty industrial grade receptacles are designed and manufactured to withstand the harsh conditions typically associated with industrial environments. These industrial grade devices are the electrical contractor's choice for use in factories, schools, hospitals and commercial office buildings. Features Designed and manufactured to withstand the harsh conditions typically associated with industrial environments Available in a wide variety of configurations, including isolated ground, tamper-resistant, and hospital grade Warning: DO not use with single-gang wallboxes, single-gang mud rings or single-gang box extenders Use 2-gang wallplate (2.15" opening) to complete installation USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.