Understanding the National Electrical Code

[Dennis Alwon]

I have never seen a heat strip that was an even multiple of 5 kW for air handlers, They are almost always multiples of 4.8 kW. Unit heaters yes, I have seen and they almost always are in multiples of 5 kW, on ones that are larger than 5kW.

I agree but we call them 10kw-- my point is that the blower motors have increase in size or something because the units call for 56 amps.

 

[Dennis Alwon]

I don't understand why that would anger an EC, if the job costs more you should make more not less.

It's a residential thing.

The problem is if you wired the units for 20 years with #6 and then you come back and find out that the wire demands a #4 then we eat it. It is just an added cost and we had to adjust but it cost many guys money because of this subtle change.