CSB15AC2W. 15a 120/277Vac b+s wire Comm dp SW W . One piece brass alloy contact arm for reliable electrical performance. . One piece steel strap with integral ground is plated for corrosion resistance. . High strength thermoplastic polycarbonate toggle resists breaking and chipping under heavy abuse. . Heavy duty toggle bumpers for smooth and quiet operation. . Back body made of glass reinforced nylon. Locking support provides resistance to face and back body separation. .