Use on when you have two of L6-30 power cord plugs need to connector in one L6-30 outlet.<BR><BR><BR><BR> You can get the cord or adapter in your need. <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. <BR> <BR> Please let us know your demand by send message to us. <BR> You can explain what plug with what receptacle and what length you want. <BR><BR> Don't worry about the amount in your need, even you only need special one that you can not find it in retail.<BR> Waiting is the only thing we hope you can understanding. <BR> Because It will take several weeks for producing in factory, and the other 1~2 weeks for shipping from China to USA. <BR><BR>Send your need to us by message now.