GenTran RJB12425 25-Foot 20 Amp Power Cord for up to 5,000-Watt Generators 25-foot 20 Amp generator cord connects generator to transfer switch or power inlet box Heavy-duty cord for durability; stays flexible in extreme cold Made from all rubber Includes male and female 4-wire, 12-gauge twist-lock ends in NEMA configuration L14-20 For up to 5,000-watt generator