This adapter will let you plug in your welder or other appliance that has a NEMA 6-50 plug, to your NEMA 6-30 outlet. Fully molded at both ends and made with 10 AWG pure copper conductors rated for up to 30 amps. It is the simple solution – just plug it in and start using your welder right away. Please do not exceed 30 amps or 7200 watts when using this adapter.