NEMA L21-30P to 3x L6-20R 3-Way Splitter Cord - 10 Foot, 20A, 120/208V, 12/3 AWG - Iron Box # IBX-2139-10 Splitter power cord with 1 x L21-30P Plug to 3 x L6-20R Connectors 10 Foot Length Rated for 20 Amps, 120/208V 12/3 AWG Jacket Color is black