HVAC wire size ?

[Robpaeschke]

What wire size do I need for a

Electric heat
13.8 kw

Full load amps
60

Minimum circuit ampacity

Circuit 1
27.0

Circuit 2
53

Max overcurrent
Protective Device

Circuit 1
30

Circuit 2
60


Thanks

 

[infinity]

Sounds like it requires two circuits, one with a minimum conductor size of 53 amps the other a minimum conductor size of 27 amps.

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[Robpaeschke]

Furnace has two 60 amp breakers

 

[infinity]

Furnace has two 60 amp breakers

Those are just being used as a disconnecting means.

 

[suemarkp]

Maybe look at this thread: https://forums.mikeholt.com/threads/electric-heat-name-plate-doesnt-make-sense.2582443/#post-2937413

 

[roger]

Furnace has two 60 amp breakers

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