03 Ago NEMA L21-30 Extension Cord – 10ft 3 Phase, 30A/208V 10 AWG – Iron Box # IBX-5809
Features an L21-30P plug to L21-30R connector and heavy-duty 10/5 AWG jacket. Custom lengths available. UL listed. - NEMA L21-30P Plug to NEMA L21-30R Connector. - Male plug connects with female L21-30R receptacle....