Electrical · E-XQ6WC

Conduit Crossing at Structural Expansion Joint

Materials

Steel Metal (misc.)

Elements

Beams Roofs Floors / Slabs Expansion / Control Joints Anchors / Embeds

Connections

Expansion / Slip Connection

About this detail

Electrical conduit crossing a seismic or expansion joint in a floor or roof structure, utilizing a flexible galvanized steel conduit with a green insulated copper equipment grounding conductor and one hundred twenty-seven millimeters of slack at the midpoint. Conduit trapeze assemblies are suspended from structural members using steel expansion anchors and support conduits via beam clamps, spring nuts, and integral galvanized lipped steel mounting channels. A three-foot maximum external bonding jumper is installed to comply with National Electrical Code Article 250, and junction boxes feature extra cable making a complete loop around the box perimeter. This detail is applicable only for conduits smaller than seventy-six millimeters.

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