Buy Dryer Adapter Cord 4 Prong to 3 Prong Dryer Adapter Cord Convert 4 Prong Dryer Plug to 3 Prong Wall Outlet Nema 10-30P Male to 14-30R Female with Safety Ground Wire 15FT STW 10AWG 30Amp 110V250V online at an affordable price. In a 3-prong outlet the ground and neutral wires are contained in the same prong. How To Change An Electric Dryer Plug From A 3 Prong To 4 Prong Dryer Plug Electric Dryers Dryer It is therefore somewhat rare that you would want to change a 4-prong cord on an electric dryer to a 3-prong cord. Dryer converter 4 prong to 3 prong . This orange adapter also comes with a grounding cable allowing you to ground your dryer for safety and it. Dont mess with that heavy 102 cable. BOEEMI 4 Prong to 3 Prong Dryer Adapter Cord Convert 4 Prong Dryer Plug to 3 Prong Wall Outlet NEMA 10-30P Male to 14-30R Female 120V240V 30 Amp Dryer Plug Adaptor with Safety Ground Wire 1. It isnt easy to convert an ungrounded 3-prong outlet to a grounded 4-prong one -- the soluti...