The Woodhead WT6F-50 Pro-Yellow Hand-lamp is a commercial duty lamp that provides maximum economy and worker safety for commercial-duty environments. Task lighting in industrial environments can be a challenge for any process. Woodhead? hazardous-duty portable hand lamps are designed and manufactured to meet stringent specifications of the NEC, UL and CSA. Woodhead hand lamps feature the most rugged, longest-lasting enclosures for use in all harsh environments: Hazardous Duty, Wet Location, Industrial Duty, Commercial Duty and General Duty.