For flexible metal conduit, if flexibility is necessary after installation, unsecured lengths from the last point the raceway is securely fastened must not exceed _____ . a) 3 ft for trade sizes 1/2 through 1 1/4 b) 4 ft for trade sizes 1 1/2 through 2 c) 5 ft for trade sizes 2 1/2 and larger d) all of the above
Website Registration Required to Access this Content
Only registered users have access to Silver content.
Registration on EC&M allows you exclusive access to high value content centered around proprietary research, expert NEC analysis and in-depth technical procedures.