adapter<b>when you move into an older apartment or house that has the 3 prong outlet while your dryer is with 4 prong plug, please consider this plug.</b><br><br><b>Important Note:</b><br>The 3 prong plug of this converter plug into household outlet, the end 4 prong socket of this converter connects to your dryer plug. Please refer to the picture carefully. <br><br><b>Easily connects your 4 prong dryer to 3 prong home outlet.</b><br><br>We focus on producing power cord and molding NEMA plug or connector.<br>Most of generally use NEMA plugs and receptacles we can manufacture with PVC cable.<br>We have UL approved for all PVC wire in UL 62 standard, and also have UL or ETL approved for most of connectors in UL 817 standard.