32A Male and Female Connector, 4 Pin, IP44 - Peaco Support
Amazon.com: CNLINKO 4 Pin Power Industrial Circular Connector, Male Plug & Female Panel Mount Receptacles Socket Jack, Outdoor Waterproof IP67, AC DC : Electronics
16a 4 Pin Industrial Site Socket/plug Ip44 3p+e 380~415v Waterproof Male Famale Connector Electrical Power Plug & Sockets - Connectors - AliExpress
White Electric | Standard Series, Single Socket Outlet, 500VAC, 10A, 4 Pin