Car wiring diagrams: 3 Phase Timer Switch Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. EH timer and manual Neutral to terminal Hot to terminals . Contactor Hot wires pulled from phase go to double pole switch or timer. Switch or .TM mechanism with fireman switch. Buy How to wire phase timer Control Volt phase Use Volt wiring above or diagram on left.On a single phase The base numbers " , , , " have to face the limit switch. Holes for timer socket Connect the Red Black wire to terminal on the timer socket base. . Opera series phase wiring diagram with Timer to Close .Phase Motor Connection STAR DELTA Without Timer Control Diagrams . Two of the wires are TRAVELERS from the preceding switch and the other two are .