Marinco CL40FRB-CX CL Cam Type, Panel Mount, 400 Amp, 600 Volt, 2/0 - 4/0 AWG double set screw, Female - Red (C) CL panel mount devices are constructed of super tough nylon housing which will not chip or crack under extreme temperatures and impact conditions. Constructed of solid weatherproof materials, UL listed, CSA listed, NEMA 3R/4 rated when mated with a shrouded device All CL products mate precisely with all other manufacturers' cam products