SD20 4Pin Waterproof Connector, IP68 Circular Power Connector LED Power Cable Adapter Heavy Industrial Plug Socket (4pin, Panel Mount) : Amazon.ca: Tools & Home Improvement
Uonecn 5 pcs SP13 IP68 Waterproof 2 Pin LED High Power Connectors 2 Pin Power Plug Connector Circular Kit Male Plug Female Socket : Amazon.ca: Tools & Home Improvement
IP68 Plugs & Sockets
Source Industrial Plug and Socket IP68 Waterproof Electrical 3 Phase Male and Female Standard Grounding on m.alibaba.com