JR Products 15M/30F Flip-Flop Power Cord Adapter M-3022-A 19-0372

Used to plug 30 Amp power cord into 15 Amp outlet. It connects 15 Amp male to 30 Amp female. Housing is made of PVC. This specially designed plug adapts 30 Amp power cords to 15 Amp plugs. Its special design places the back of the heavier 30 Amp cord against the outlet box, easing the normal downward pressure found in other designs.