Conntek 14436 35-Foot RV Power Cord RV 30 Amp Male Plug To 50 Amp 125/250 Volt Locking Female Connector
35FT STW 10/3 RV Camp Power Adapter Cord, NEMA TT-30P 2 Pole 3 Wire Grounding to NEMA SS2-50R 3 Pole 4 Wire Grounding, 30A straight blade male plug to 50A Locking female connector. 125V to 125/250V. Comparable with Marinco 124ARV-25 Approval: Plug, STW: UL, C-UL