gociean 30 amp to 50 amp rv adapter with twist lock for 30a rv extension cord and generator, nema tt-30p to nema ss2-50r electrical power adapter with upgraded handle, etl listed, 3-year warranty 30amp to 50amp is up for auction in Tools & Home Improvement. The current bid is $2.00, 93% below the $26.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.