NEMA L14-20 Extension Cord – 15 ft, 20A 125/250V 12 AWG – Iron Box # IBX-4805-15 Features an L14-20P plug to L14-20R connector and heavy-duty 12/4 AWG jacket. Used primarily as an extension cable for portable generators that have a NEMA L14-20R twist lock receptacle. Custom lengths available. byJuly 4, 2026
