Conntek 14307 RV 50-Foot 50 Amp 6/3 + 8/1 RV Extension Cord
50FT RV Camp Power Extension Cord, Rating:50A 125/250V, Stays flexible in cold weather, Heat Resistant up to 221F, NEMA 14-50P to NEMA 14-50R Approval: Plug, STW 6/3+8/1 : UL, C-UL