Pulse Start. Cast Aluminum Housing. High-Bay Light with Wire Guard. Premium Grade Porcelain Socket. Sealed with High Grade Weatherproof Silicone Gasket. Pre-wired Teflon-jacketed 9" Pigtail. Chrome Steel Wire Guard Protects Bulb. Hook Included. Complies with NEC 2010 for Open-Rated (Pink) Socket. Includes Open-Rated EX39 Lamp.