"Bill" wrote:

At 24' each, they may cost me a few bucks too. I have to add them to
the material list.

#2 common 1x4 x 96 furring strips, expensive?

That gives new meaning to the word "expensive.

Mount furring strips with 3" deck screws, junction boxes and fixtures
with #14 x 1"
pan head, coarse thread sheet metal screws fitted with a 1/4" flat
washer.

Drill a 3/16" pilot hole for #14 screws.

Only a masochist would drive nails overhead these days.

Lew