A 30 amp circuit such as this might be found in older installations for clothes dryers and perhaps a kitchen cooking range too.
Thermostat baseboard heater wiring.
Route supply wires to the thermostat wiring box if not already present.
It operates much the same way as a dimmer switch providing variable control to a light fixture.
Route remaining supply and ground wire to the baseboard heater.
The wiring should be installed into the baseboard heater using a protective bushing or cable connector.
Route remaining thermostat wire marked t1 to the baseboard heater.
Baseboard heater electric wiring a typical circuit is installed to the location where the baseboard heater will be installed.
A circuit is usually composed by several components.
A line voltage thermostat for a baseboard heater is really just a variable switch installed along the electrical circuit that runs from the circuit breaker panel to the baseboard heater.