I was in an attic last week and noted the wire to and from the light in the attic was a 2-wire connection. I think it was a 14/2 but for sure a 2-wire connection. It’s a new build, 2004, 3900sqft and is in Phx. AZ.
The rest of the house is normal 3-wire with all the GFCI and Arcs working as required.
Why use 2-wire for an attic light and is it approved?
thanks for your help:)