HQRP RV Electrical Power Cord Adapter 30A Male TT-30P to 50A twist lock female SS2-50R 10AWG/3 STW 12" plus HQRP UV Meter HQRP&reg; RV Power Cord 30A to 50A twist lock plus HQRP&reg; UV Meter; 30A Nema TT-30P 125V Male Plug; 50A Nema SS2-50R 125V/250V Female Connector; Simple to use durable item. 200 days warranty!