Hubbell Wiring Part # RR430F - Hubbell Wiring 30 Amp 3-Pole 4-Wire 14-30R Range And Dryer Single Outlet, Black - Appliance Receptacles - Home Depot Pro
Leviton 2720 30 Amp, 250 Volt 3-Phase, Flush Mounting Locking Receptacle, Industrial Grade, Grounding, V-0-MAX, Black - Electric Plugs - Amazon.com
50 Amp 3 Phase 5 Pin Socket Outlet 415v IP66 Weatherproof Industrial 3 Pole Only – EDA Online – Electrical Distribution Australia
IEC industrial standard
AC WORKS Locking Style Replacement Wiring Male Plug (L15-20 20A 3-Phase 250V) - Amazon.com
AC WORKS 20 Amp 3-Phase 250-Volt L15-20R Flush Mount Locking Industrial Grade Outlet with UL and C-UL Certifications FML1520R - The Home Depot