Installation of IMC Under Cinder Fill

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

See answer and applicable Code reference

The correct answer is: d) any of the above options

The requiremen

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