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    BTU BOY's Avatar
    BTU BOY Posts: 1, Reputation: 1
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    #1

    Feb 6, 2017, 03:47 PM
    Will a 20 amp thermostat work on a 21 amp circuit
    I want to add a remote thermostat that is rated for 20 Amps. I used a clamp amp meter and read 21.5 amps will it be OK? What is the safety factor of a thermostat?
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #2

    Feb 6, 2017, 05:54 PM
    Thermostats most frequently run on 24 volts so could you explain your situation further? What brand and model are you trying to use?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #3

    Feb 6, 2017, 06:14 PM
    Electric baseboard heat?
    Missouri Bound's Avatar
    Missouri Bound Posts: 1,532, Reputation: 94
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    #4

    Feb 6, 2017, 09:29 PM
    To answer your question as posted... no.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #5

    Feb 20, 2017, 12:58 PM
    If power goes through Thermostat. You may want to add a contactor to carry the Load, Then you could use other thermostats and load would not need to run to thermostat. Just control wires, Could use the current conductors(#10 or larger for control)
    Over 20 amps, you would need at least #10 wiring.
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