Pass & Seymour Turnlok ; Single receptacle in black color has an impact-resistant, durable nylon face and body that are ultrasonically welded together to obtain peerless strength. It is color-coded based on voltage that helps to locate and match proper devices. Receptacle has contacts made of high-grade non-corrosive brass that offer better conductivity and resistance to rise in heat. Receptacle measures 1.610 Inch x 1.190 Inch x 3.280 Inch.The 3-Phase receptacle has single-piece mounting strap made of brass that consists of strong rivets. It has backside as well as side-wiring capability and external pressure plate for ease of installation. Receptacle with three-wire circuitry accommodates wire of size 4 AWG. It has current rating of 20 Amps and a voltage rating of 250 VAC. Receptacle is UL listed and CSA certified. Also known as -P & S L1520-R Turnlok Single Receptacle, 4-Wire, 20A 250V, L15-20R-Pass & Seymour L1520-R Turnlok Specification Grade Locking Single Receptacle