Conntek 14455-15 15-Foot RV Power Cord RV 50 Amp Male Plug To 50 Amp 125/250 Volt Locking Female Connector
15FT RV Camp Power Extension Cord NEMA 14-50P to NEMA SS2-50R(50A RV Locking female) 3 Pole 4 Wire Grounding, 50A 125/250V, . Approval: Plug,  15FT STW 6/3+8/1: L, C-UL