The Cooper Wiring Device 1264-BOX 30-Amp 125-Volt Heavy Duty Grade Travel Trailer Receptacle Adaptor Plug is a resourceful amenity to always have at hand for all contactors or serious do-it-yourself homeowners. With this product, you can convert a regular TT-30 plug to a NEMA 5-15R or 5-20R receptacle, which would be for more heavy duty, high amperage appliances or tools. It uses 30-amps and 125-volts, and has 2-pole, 3-wire configuration. The terminals on the plug have pressure plates to protect the wires on the inside. The Cooper Wiring Device 1264-BOX 30-amp 125-volt Heavy Duty Travel Trailer Receptacle Adaptor Plug is constructed with a heavy duty grade material, so you will always be able to trust its durability and resourcefulness. Cooper Wiring Devices is committed to providing products that increase productivity, energy efficiency, safety at work and in the home, and produce reliable performance. Whether a home-Feets style is traditional, modern, casual, cozy or rustic, it will demand more from wiring devices than in years past. Cooper Wiring Devices is dedicated to providing the up-to-date wiring device solutions that today-Feets homes need.