When using an expansion fitting on a PVC conduit run exposed on a rooftop, the fitting accommodates thermal expansion. A 100-foot run of PVC may expand by approximately how many inches for every 50°F change in temperature?
When using an expansion fitting on a PVC conduit run exposed on a rooftop, the fitting accommodates thermal expansion. A 100-foot run of PVC may expand by approximately how many inches for every 50°F change in temperature?