Hubbell HBL2710 Twist-Lock Receptacle Hubbellâs Wiring Devices division offers a wide array of electrical and electronic wiring devices, wire management systems, occupancy sensors, lighting controls and specialized wiring products for the marine and healthcare markets. 3P4W, 30A 125/250V, L14-30R, Black Nylon Face. Hubbell HBL2710 Twist-Lock Receptacle Features: Product Type: Twist-Lock Devices  Product Item: Single Receptacle  Wiring Scheme: 3 Pole, 4 Wire Grounding  Amperage: 30A  Voltage: 125/250V AC  NEMA Configuration: L14-30R  Item Style: Standard  Device Color: Black  Horsepower: 2  Terminal Retainer Material: Clear polycarbonate  Terminal Clamp Material: .040" (1.0 )Brass  Terminal Screw Material: #10-32 Bronze (White finish on neutral screw when used)  Ground Screw Material: #10-32 Bronze (Green)  Contact Spring Material: .040" Brass  Mounting Screw Material: Steel, zinc plated  Cover (Top) Material: Black Nylon  Base Material: Nylon Polyester  Ground Contact Material: .040" Brass  Bridge (Mounting Strap) Material: .050" Brass  Back Plate Material: .040" Brass  Rivet Material: Brass  Auto Ground Clip Material: Stainless Steel  Ratings: Molded into face.  Catalog No.: Marked onto body  Dielectric Voltage Withstand: 2,000V minimum  Current Interrupting: Certified for current interrupting at full rated current.  Temperature Rise: Max 30 C temperature rise at full rated current after 50 cycles of overload at 150% of rated current at a power factor of .75.  Terminal Accommodation: 30A-#10AWG  Terminal Identification: Terminals identified in accordance with UL 498 (X, Y, Z, White, Green)  Flammability: HB or better per UL 94 or CSA 22.2 No. 0.6  Listings: FED SPEC UL/CSA