Generator Extension Cord 40' 10/4 Power Cable 30 Amp Adapter Plug Copper Wire 7500W High Performance 40 FT Reliable Cable Serviceable Locking Collar Flexible Cable Practical Plastic Strap Extensive Usage Max Power: 7500W,Cable: SJTW 10AWG/4C (100% copper wire),Gross Weight: 12.19 lb ( 5.53 kg ),Configuration: NEMA L14-30,Length: 40 Ft,Rating: 30 Amps, 125/250 Volts,UL & C-UL: Plug, Connector, and SJTW Cable,Product Size: 11.8 x 11.8 x 4.7 Inch