Generator Extension Cord, 3 Pole, 4 Wire Grounding, NEMA L14-30P to NEMA L14-30R 30A 125/250V Max Power: 7500W, Stays flexible in cold weather, Heat Resistant up to 221F Rating 30A 125/250V Cable SJTW 10/4 Cord Length 20ft Configuration NEMA L14-30P to NEMA L14-30R Approval Plug, Connector, and STW: UL, C-UL Warranty Limited one year warranty