4 Prong 30 Amp 10 Foot Generator Extension Cord, Nema, Etl Listed ?30 Amp Generator Cord?NEMA L14-30P male to L14-30R female .Our generator extension cord are ETL certificated,rating for 125V/3750W and 250V/7500W.Length 10 Foot.Constructed with 10AWG x 4C pure-copper wires to ensure the high electrical conductivity. ?Widely Used?This generator cord for power outages,houses,RVs,tailgating and other outdoor camping equipment,provides a safe and reliable electrical connection between your generator and power inlet box. ?Weather Resistance?The wire is coated with heavy duty flame retardant and heat-resistant(max work temperature: 60?)PVC sheath,which can resist the invasion of outdoor environment.Protect the wires from wind, rain,snow,soil and stones to make them durable. ?Useful Design?Twist locking ring design on the end protects the plug connection from dust and rain.We also include an adjustable cord organizer, easy to carry and store after use. ?After-sales guarantee?Our store will provide you with sincere after-sales service, if you have any questions, you can contact us at any time, we will answer in time.