How do I wire an Intermatic T104 timer switch? To wire the switch, follow the provided wiring diagram. Use solid or stranded COPPER only wire with insulation suitable for the installation. Refer to the gauge selection table for normal service applications. For power connections, remove 1/2 inch of insulation from the wire ends.. The T104P3 mechanical time switch controls a single load with a heavy-duty 24-hour design. Ideal for pumps, heaters, and lighting applications.
How to operate and set T100 series timer T104 & T106 are 240Volt timers; T101, T103 & T105 are 120Volt timers. Each timer has different wiring options. Rated 40 amp.. Intermatic T104 is a 24-hour dial time switch suitable for controlling electrical appliances. This manual contains instructions for setup, programming and operation.