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Old 09-15-2012, 08:39 AM   #1
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Circuit breaker- what amperage do I need?


I have a NuHeat floor heating system which needs to be hooked up for this coming winter. The specs say the maximum load is 15A(1800W), an electrician bought a 20A breaker for the panel and had started the installation but never finished it. I need to know if this is the correct breaker or I need a 15A breaker.

Thanks in advance for any help,
Tom

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Old 09-15-2012, 08:44 AM   #2
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Circuit breaker- what amperage do I need?


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Originally Posted by TJTHEBOATER View Post
I have a NuHeat floor heating system which needs to be hooked up for this coming winter. The specs say the maximum load is 15A(1800W), an electrician bought a 20A breaker for the panel and had started the installation but never finished it. I need to know if this is the correct breaker or I need a 15A breaker.

Thanks in advance for any help,
Tom
What size wire was run to the NuHeat?

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Old 09-15-2012, 08:57 AM   #3
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Circuit breaker- what amperage do I need?


The wire coming from the installed NuHeat floor is 14 AWG, and the extension that runs to the electrical panel in the basement is 12 AWG. None of the wires are connected yet, FYI
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Old 09-15-2012, 08:59 AM   #4
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Circuit breaker- what amperage do I need?


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The wire coming from the installed NuHeat floor is 14 AWG, and the extension that runs to the electrical panel in the basement is 12 AWG. None of the wires are connected yet, FYI
You have to use a 15 amp breaker if #14 AWG is part of that circuit.
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Old 09-15-2012, 09:09 AM   #5
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Circuit breaker- what amperage do I need?


So the maximum load amperage doesn't have any affect?
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Old 09-15-2012, 09:26 AM   #6
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Circuit breaker- what amperage do I need?


Are the 14 gauge conductors a part of the branch circuit or are the 14 gauge wires you are talking about part of the floor heat factory assembly? If the wiring from the panel to the connectionn point of the heat assembly is 12 gauge then a 20 amp breaker is appropriate.

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