Magnavox 7 Outlet Surge Protector 900 Joules Maximum Energy Dissipation - 900 joules Lines Protected - 3 lines (H-N-G) Clamping Voltage - 330 Volts (UL 1449 rating) Maximum Surge Current - 26,000 Amps, Maximum Surge Voltage - 6000 Volts Cord Length - 6 feet