Construction: Base Material: Reinforced Thermoplastic PolyesterFace Material: NylonTerminal Screws: #10 BronzeTerminal Clamp: 040" (10) Copper AlloyTerminals 040" (10) Copper AlloyGround Contact: 040" (10) Copper AlloyGround Shunt: 015" (3) Copper AlloyMounting Strap: 050" (13) Steel (Nickel-Plated)Self Ground Clip: Stainless SteelMounting Screw: Plated SteelBack Plate: 040" (10) Plated Copper AlloyTechnical Specs: Dielectric Voltage: Withstands 3500V per UL498Maximum working Voltage: 600V AC or 250V DCCurrent Interupting: Certified for current interrupting at full rated currentTemperature rise: Maximum 30 deg C temperature rise at full rated current after 50 cycles of overload at 150% rated current for either AC or DC applications per UL498Terminal Identification: (X, Y Z Brass Hot) (G, Green, Grounding) (W, Silver, Neutral)Flammability: UL 94 V2 MinimumConfiguration Type: L5-20Operating Temperatures: -40 deg C to 85 deg C (continuous w/o impact)Standards: UL Standards: UL Listed to Standard 498 (Attachment Plug and Receptacles)UL Listing File: Ul Listed File #E2258- Guide #RTRTFederal Specifications: Federal Specifications WC596 (where applicable)Complies With: Complies with NEMA Standards WD-1, WD-6 and UL 498Overseas Approval: NOM, CECSA Standard: Certified to CSA Standard C222 No42M1984 (General Use Receptacles) and C222 No 1822M1987 (Industrial Locking Type, Special Use Attachment Plugs, Receptacles and Connectors) where applicableCSA Certification File: CSA Certified File #LR16215- Guide #365-E-1 3.00 L. 1.60 W. 0.80 H.