Intermediate Metal Conduit can be installed in or under cinder fill subject to permanent moisture _____. a) where the conduit is not less than 18 in. under the fill b) when protected on all sides by 2 in. of noncinder concrete c) where protected by corrosion protection judged suitable for the condition d) any of the above options

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.

Already registered? here.