www.hubbell.com/wiringdevice-kellems/en Wiring Device-Kellems ® B-70 Twist-Lock® Devices Specifications Listings Listed to UL Standard 498 (Attachment Plugs and Receptacles). Certified to CSA Standard No.42 (General Use Receptacles, Attachment Plugs and Similar Wiring Devices). Fed. Spec. WC-596. UL Listed, CSA Certified to Type 4, 4X and Type 12. Part Materials Watertight Safety-Shroud® Plug (Insulgrip®) 20 and 30A Blade Holder Natural (white) nylon Terminal Retainer Clear polycarbonate Cover (Housing) Black Valox® Cord Clamp White Valox® Blades Brass Terminal Clamp Steel, nickel plated .080" curved scalloped Terminal Screws 10-32 brass (white finish on neutral screw when used) multiple drive head Grounding Screw Brass (green finish) combination head Cord Clamp Screws Stainless steel 302/304, combination head Body Holding Screws Stainless steel 302/304, combination head Closure Cap and Strap Neoprene EPDM Blend Watertight Safety-Shroud® Connector (Insulgrip®) 20 and 30A Body Contact Carrier Natural (white) nylon Terminal Retainer Clear polycarbonate Contact Spring Brass Spring Binding Plate Brass Cover (Housing) Black Valox® Cord Clamp White Valox® Terminal Clamp Steel, nickel plated .080" curved scalloped Terminal Screws 10-32 brass (white finish on neutral screws when used) multiple drive head Grounding Screw Brass (green finish) combination head Cord Grip Screws Stainless steel 302/304, combination head Body Holding Screws Stainless steel 302/304, combination head Closure Cap and Strap Polypropylene with Neoprene gasket Watertight Safety-Shroud Receptacle, Single* 20 and 30A Housing and Flange Gray Valox Body Contact Carrier Natural (white) nylon Terminal Retainer Clear polycarbonate Drive Screws Steel, zinc plated Contact Spring Brass Spring Binding Plate Brass Terminal Clamp Steel, nickel plated .080" curved, scalloped Flange Gasket Closed-cell neoprene foam Lid Gasket Closed-cell neoprene foam Cover Hinge Pin Stainless steel 302/304 Cover Spring Stainless steel 302/304 Terminal Screws 10-32 brass (white finish on neutral screw when used) multiple drive head Grounding Screw Brass (green finish) combination head Mounting Screws Stainless steel 302/304 combination head Watertight Safety-Shroud® Flanged Inlet 20 and 30A Housing and Flange Gray Valox Blade Holder Natural (white) nylon Terminal Retainer Clear polycarbonate Blades Brass Drive Screws Steel, zinc plated Terminal Clamp Steel, nickel plated .080" curved scalloped Terminal Screws 10-32 brass (white finish on neutral screw when used) multiple drive head Grounding Screw Brass (green finish) combination head Closure Cap Neoprene EPDM blend Mounting Screws Stainless steel 302/304 combination head Performance Electrical Dielectric Voltage Withstands 2,000V minimum. Max. Working Voltage 600 Volts RMS. Current Interrupting Certified for current interrupting at full rated current. Temperature Rise Max 30°C temperature rise at full rated current after 250 cycles of overload at 200% of rated current at a power factor of 75% (WC 596). Mechanical Cord Accommodation (Plugs and connectors only) Round portable service cords of diameters commensurate with the device rating as defined in UL Standard 62, CSA C22.2 No. 49. Cord Grip Accommodation 20 and 30A, 3W: .32"-.93" (8.1-24.0mm) #16-3 Type SJ-#8-3 Type S, SO; 20 and 30A, 4W: .35"-1.15" (9.0-29.2mm) #16-4 Type SJ-#8-4 Type S, SO; 20 and 30A, 5W: .35"-1.15" (9.0-29.2mm) #16-5 Type S, SO - #8-5 Type S, SO. Terminal Identification Terminals identified in accordance with UL 498 (X, Y, Z, White, Green). Terminal Accommodation #16- #8 AWG solid or stranded copper wire only. Product Identification Ratings are a permanent part of the device blade holder, and are also labeled on device color coded by voltage, visible in use. Catalog No. I.D. is on device visible in use. Environmental Moisture Resistance Type 4, 4X, 12, IP66 suitability. Flammability (Enclosure) V0 per UL94 or CSA 22.2 No. 0.17. Operating Temperatures Maximum Continuous 75°C; Minimum -40°C (w/o impact). Note: *Suitable for use as a flanged receptacle. Valox® is a trademark of SABIC Innovative Plastics, acquired from General Electric Company. Technical Information 20 and 30 Amp Watertight Safety-Shroud® Twist-Lock® Devices