Voltage on Baseboard Heater

Old 09-01-03, 10:23 PM
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Question Voltage on Baseboard Heater

Is there a way to see figure out which wires are the hot wires? I have another post about the problems I am having with changing the thermostat out for a baseboard heater. I checked all the circuit breakers and they all read good. But I do not know where to go from here? How would I check the heater itself and see if it is good?
Old 09-02-03, 06:51 AM
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Are these wires color-coded? Usually black and red are the hots and white is the neutral.
Old 09-02-03, 09:03 AM
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Tammy; if my understanding is correct, at the thermostat outlet-box you have a Black & White "Line-pair" and a Black & White "Load-pair." The voltage across the Black & White "Line-pair" could be either 120 or 240 volts.

The first step is to check for voltage at the circuit-breaker terminals to be sure all breakers are "On".One lead of the test instrument is connected to the Neutral terminal bar where the White wires connect, and the other test-lead is placed sucessively across ALL circuit-breaker terminals. If all breakers are "On", the next step is to determine which Black & White pair at the thermostat is the "Line-pair".

An in-expensive "needle-type" multi-tester with a 220 voltage range could be used, but be sure it's set to the "A. C. Volts" position.

Please let us know if you can perform the testing procedures-thanks-------- Good Luck!!!!!!!

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