P pak123 New member Location prattville, ala autaga county Aug 8, 2012 #1 how much clearance do i need from concrete wall and air terminal box cover for 2300 volt secondary end of transformer. The secondary bushings are 55" away fro the concrete wall.
how much clearance do i need from concrete wall and air terminal box cover for 2300 volt secondary end of transformer. The secondary bushings are 55" away fro the concrete wall.