Type PVC conduit, Type RTRC conduit, and Type HDPE conduit can be used when first surrounded by at least ____ of concrete, followed by a minimum cover of 24 in.(600 mm) (top of conduit to grade).

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Quizplus · Accepted Answer

Type PVC conduit, Type RTRC conduit, and Type HDPE conduit can be used when first surrounded by at least 2 inches (50 mm) of concrete, followed by a minimum cover of 24 inches (600 mm) from the top of the conduit to grade. This is a standard installation requirement to protect the conduit and ensure its durability under physical and environmental stresses.

Type PVC Conduit, Type RTRC Conduit, and Type HDPE Conduit