★ Audio Grade IEC. WattLock terminals - Heavy duty wire capture box. Accepts 8 to 14 awg wire. Accepts 19mm cable diameter. 2.5mm Hex socket hardware. All Polycarbonate design. All non-magnetic materials. High spring rate brass contacts. WATTGATE Three Layer Plating Process. 15A/125VAC - 10A/250VAC - 15A/250VAC