Electrical · E-RDV2T

Typical Trapeze Conduit Rack Detail

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A trapeze conduit rack assembly supports multiple raceways ranging from three-quarters of an inch to six inches in diameter. The lower support consists of a Unistrut channel sized according to the supported weight, with three-quarter-inch to one-inch conduit clamps or one-and-one-quarter to six-inch two-piece channel pipe straps securing the conduits. All-thread rods with a minimum diameter of three-eighths of an inch suspend the Unistrut channel from overhead structural units such as beams, joists, or slabs. Beam clamps, hanger clamps, or approved supports attach to the overhead structure, noting specifically to avoid supporting from the bottom chord of steel trusses.

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