Rophor Generator Transfer Switch Adapter Cord Tt-30P Male To L14-30R, 1.5Ft ?Generator to Transfer Switch Inlet Box?: NEMA TT-30 outlet usually is found installed in generators and RV power pedestals. You can connect your generator to a transfer switch for emergency power using this cord: NEMA TT-30P locking plug end connects to 3 prong generator outlet, NEMA L14-30R receptacle end connects to 4 prong power transfer switch inlet. ?SAFETY ASSURANCE?: 10 AWG (American wire gauge) x 3C all-copper wires, which has higher conductivity. PVC material jacket, fire retardant. Superior performance. ?HIGHT QUALITY MATERIAL?: 600-Volt thermoplastic STW Jacket, features excellent abrasion, oil and moisture resistance and flexibility. It should last for a long time even with rugged use. ?Produc Specification?: Recreational Vehicle Adapter cord TT-30P to L14-30R (Two hots bridged) support max 30 Amp overload, 125V, max wattage 3750 watts, 1.5 feet. ?Why Choose Us?: Rophor specializes in the production of various adapter power cords. 100% of the products have been rigorously tested to ensure that each product received by our user can work perfectly. Won?t sacrifice the quality for the price, we provide 5 years of worry-free maintenance, and look forward to your letter.