Electrical · S-3PQW9

Conduit Penetration through Concrete Floor

Materials

Elements

Stairs Floors / Slabs Roof / Floor Openings

About this detail

A PVC-coated rigid galvanized steel conduit penetrates a concrete floor or pad, transitioning to electrical metallic tubing, PVC, or rigid galvanized steel as specified elsewhere. Below the slab, a PVC-coated rigid galvanized steel elbow and riser are fully surrounded by a concrete encasement providing a minimum of three inches of coverage on all sides. The conduit extends ten feet beyond the building footprint before transitioning to PVC-40 schedule pipe. The rigid galvanized steel is bonded to the electrical grounding system using a minimum number two bare copper conductor.

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