Conntek 60721 3 Phase Cs8365C 50-Amp 250-Volt Assembly Male Plug 3P 4W
3 Phase 50 Amp 250 Volt Wires Wiring Devices-Assembly Locking Male Plug. California Standard AC Plug, Comparable with Hubbell CS8365C 3 Pole, 4 Wire Grounding, Bladed grab cord type Equal to WS-267 Approval: UL, C-UL Limited five year warranty.