On a call for heat on an electric furnace, __________ volts should be read between R and Y on the thermostat terminal strip.

Name: On a call for heat on an electric furnace, __________ volts should be read between R and Y on the thermostat terminal strip.
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Question

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On an electric furnace, the thermostat serves as a switch that completes the circuit between R (power) and Y (heat). Therefore, when calling for heat, a reading of 24 volts should be present between R and Y.

On a Call for Heat on an Electric Furnace, __________