The Westinghouse Lighting Mogul to Medium Base Socket Adapter lets you transform a mogul-base socket into a smaller medium-base socket, whether for aesthetics or out of necessity. Use is safe and easy: simply screw the adapter into any mogul-base socket to make it compatible with medium-base bulbs. UL listed and CSA approved for safety, this adapter is rated for 660 watts maximum and 250 volts. It measures 1-5/8 in. x 1-5/8 in. x 1-5/8 in. (H x W x D).Westinghouse Lighting is a global brand with a simple philosophy: make life easier for everyone who buys its products. The company offers ceiling fans, lighting fixtures, lighting hardware, lighting accessories, and light bulbs for both consumer and commercial applications. Westinghouse Lighting products are designed for exceptional quality, reliability, and innovation.