How Do You Wire a Three-Phase Plug? | Reference wwwrence›ElectricalHow Do You Wire a Three-Phase Plug? First open the plug, and locate the inscriptions: 1, 2, 3 and 0 with a line on top of a T shape picture inside. Take the insulation wires, and Videos of 3 phase wiring a receptacle Click to view on YouTube3:30How to install 200 VAC 3 phase socket outletYouTube · 9/4/2010 · 54K viewsClick to view on YouTube2:35WiringYouTube · 1/13/2013 · 13K viewsClick to view on YouTube2:4332 Amp 3 Phase Plug Wire UpYouTube · 9/17/2014 · 11K viewsSee more videos of 3 phase wiring a receptacle How to Wire a Three-Phase Plug | eHow www››Home Repair & Maintenance›Electrical RepairsOpen up the three-phase plug using a screwdriver. When you have the plug open, look for any inscriptions in the socket. There should be five slots inside the plug corresponding to the five wires you will be attaching. These slots should be labeled "1," "2," "3" and "0," with one exhibiting a picture of a line on top of a T shape.