Heavy Duty Performance - The 12/3 heavy duty extension cord boasts a robust 12 gauge 3 wire heavy-duty construction with pure copper wire, supporting up to 15 amps, 125 volts, and 1875 watts. Ideal for powering high-demand appliances and tools with reliability. Durable - There are four color extension cords: Black/ Grey/ White/ Green. Durable power strips with solid molded construction and strain relief neck reduce pulling and stress, enhancing the durability of the cord.