Conntek 14366 RV 30 Amp 25-Foot 10/3 Shiny Red Extension Cord Straight Blade
30A 125V 25FT STW 10/3  RV Camp Power Extension Cord, NEMA TT-30P to NEMA TT-30R, Straight blade,Stays flexible in cold weather, Heat Resistant up to 221F Approval: Plug, STW: UL, C-UL