America's premier extension cord. Lightweight and stays flexible to -67°F. Plug in up to three (Tri-Source) tools in this unique female receptacle. Power indicator light in female end to show that the power is on. Rugged T Prene insulation provides superior resistance to abrasion, ozone, oil, grease and chemicals. Outer jacket is flame retardant and water resistant. Reinforced blades help prevent accidental bending or breaking. Heavy-duty strain relief protects electrical connections resulting in longer cord life. Tri-Source comes with covers for when the outlet is not in use.