Conntek 20610-010 Generator Power Cord 10-Foot 10/4 30 Amp 125/250 Volt 4 Prong Male Plug To 15/20 Amp Female Connector
10FT STW 10/4 Generator Cordset, NEMA L14-30P Locking 30A 125/250V male plug,  to Straight Blade 15A/20A 125V, With "T" terminal-fitting, NEMA 5-15/20R Flabellate connector, Quaternity Outlet, Max Power: 7500W, Stays flexible in cold weather, Heat Resistant up to 221F Approval: Plug, Connector, and STW: UL, C-UL Limited one year warranty