tellegloww dryer adapter compatible with nema 10-30p to 14-30r 3 prong to 4 prong dryer adapter convert 10-30p plug to 14-30r receptacle, 220v 30 amp 4p newer dryer to 3p older house adapter | 220v outlet adapter, newer 4-wire dryer to older 3-wire receptacle, 10-30p plug to 14-30r socket is up for auction in Appliances. The current bid is $1.00, 95% below the $18.89 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.