50Amp 3-Pole 3-Wire 125/250Volts Surface Mount Power Outlet, Non-grounding Features 3-Pole 3-Wire with a Nema Standard of 10-50R with 125/250 Voltage Features heavy galvanized steel and mounting strap to resist corrosion Designed terminals accept up to #4 AWG Back features concentric knockouts and an adjustable cord clamp to allow wiring from back and bottom To be used with aluminum or copper wiring Comply with UL 498 Flammability Rating is V-2 per UL94 Industry Color: Black Manufacturer Color/Finish: Black Sub-Brand: N/A Type: Range power outlet Amperage: 50 Audible Alarm: No Connection Type: Back wire (clamp) or side wire For Use with Mobile Homes: No For Use with RVs: No Function Type: Power outlet Grade: Industrial Grounding Type: Non-grounding Hub Required: No Lockable: No Night Light: No Number of Outlets: 2 Package Quantity: 1 Pop-Out: No Power Indicator Light: No Programmable: No Recessed: No Remote Controlled: No Rust Resistant: No Self-Test: No Style: Round Surge Protection: No Tamper Resistant: No USB Port: No Use Location: Indoor Voice Controlled: No Volts: 125/250-volt Wall Plate Included: No Warranty: 3-year Weather Resistant: No Wire Type: Copper/Aluminum Wireless: No Wiring Type: 3-wire App Compatibility: No Bluetooth Compatibility: No Smart Compatible: No Wi-Fi Compatibility: No Works with Amazon Alexa: No Works with Android: No Works with Apple HomeKit: No Works with iOS: No Works with SmartThings: No Works with the Google Assistant: No AFCI Protection: No CA Residents: Prop 65 Warning(s): No GFCI Protection: No Safety Listing: UL safety listing UNSPSC: 39121300