Coleman Cable 03588 Polar/Solar Plus Tri-Source 10/3 SJEO 50-Foot Three-Way Power Blocks Yellow polar/solar jacket maintains total flexibility to -67 degrees fahrenheit 3-conductor, 10-gauge wire, 15-amp rating Super capacity, hammer drill, multiple drills, large heater Molded on tri-source 3-way receptacle with lighted end Ul listed and meets OSHA specifications