★ Audio Grade receptacle. Heavy-duty clamp with teeth terminals. Heavy-duty triple wipe contacts. Accepts 8 to 12 awg wire. Rhodium plated solid brass terminal clamps, mounting strap, rivets, and grounding strip. All polycarbonate design. All non magnetic materials. Phillips head hardware. Wattgate Four Layer Plating Process* 15A/125VAC - 20A/125VAC