We want to install 220v cables underneath the subfloor to heat the upstairs
rooms. Since the subfloor is made of plywood, we want to use AFCIs to
provide added security against fire. ( In a dedicated panel 5 X 20A = 100A
The only 2 poles AFCIs I could find were ridiculously priced at over 220$
for some refurbished and over 300$ for new ones…
I was wondering if I could use 2 single poles by connecting them in
parallel (with both white neutrals connected to the neutral bar).
Nowhere is it written in the code that I have to install some AFCI for such
a purpose but we want to be safe.
Any suggestions will be greatly appreciated,
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