The Cooper Wiring Devices 275V-BOX Commercial Grade Combination Switch is a one single-pole switch with one 3-way switch. This features steel mounting straps (plated in zinc) for superior corrosion resistance. This combination switch back wired for easy installation of #12 and #14 wire and rated for 15-amps and 120/277-volts. This combination switch comes in an ivory finish. The Cooper Wiring Devices 275V-BOX Commercial Grade Combination Switch comes with a 10-year limited warranty that protects against defects in material and workmanship. Cooper Wiring Devices offers innovative wiring solutions that increase productivity, energy efficiency and safety on the jobsite and at home. Their expansive offering includes code compliant devices for single and multi-family homes or residential development projects. Cooper Wiring Devices has been a trusted name in electrical products for over 175-years and is headquartered in Peachtree, GA and has international manufacturing and distribution facilities.