HEAVY DUTY EXTENSION CORD - AC 125V/15A/1875W power rated; built with all-copper wire, reinforced blades, and double black jacketed cords; features full-molding design; withstand a lifetime of wear and tear; certified to ETL SJTW WEATHERPROOF CORD - Made of 14/3 gauge upgraded SJTW (rated weatherproof) wire; this power cord extension is suitable for temperatures from -40°F to 140°F; PVC jacket protects against moisture, abrasion, and direct sunlight; Note: make sure the connections are not immersed in water