D dbschon New member Jun 4, 2010 #1 I am preparing to wire a lab to National Institute of Health standards. What is the best method for installing flush mounted cast boxes to comply with these standards? Any ideas other than mounting a 2x4 across the back to screw in to?
I am preparing to wire a lab to National Institute of Health standards. What is the best method for installing flush mounted cast boxes to comply with these standards? Any ideas other than mounting a 2x4 across the back to screw in to?
J jbelectric777 Senior Member Location NJ/PA Jun 6, 2010 #2 why do you need to span ? whats wrong with face nailers ? or is the scale that precise ?