Rated for Class 1 Division 1 hazardous locations, EPL-SL-10-TXF String Light Set contains total of 10 work lights equipped with aluminum hooks and connected in series along 90 ft of 16/3 SOOW explosion proof cord. Each hand lamp features 75 W or 100 W incandescent bulb or optional 26 W CFL bulb. To resist damage from chemicals, abrasions, vibrations, and impact, light set features machined aluminum housings, cast aluminum guard, and tempered glass lamp globe.