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The ABB C-105-4 is an 11-gauge steel pipe strap designed to secure 4-inch pipe, rigid metal conduit, and IMC in commercial and industrial electrical installations. Formed from heavy-gauge steel, it provides a solid, low-profile anchor point that resists vibration and movement after installation. Electricians reach for this strap when supporting conduit runs along walls, ceilings, and structural members where a reliable mechanical connection to the building structure is required. The 11-gauge construction gives it the rigidity needed for larger conduit diameters without adding unnecessary bulk to the installation.
This strap is suited for use in commercial construction, industrial facilities, and infrastructure projects where 4-inch rigid conduit or IMC is routed through conduit systems. It is a common component in electrical rough-in work performed by licensed electricians, particularly on larger-diameter conduit runs that carry heavier wire fills or serve as main feeder pathways. It is compatible with rigid metal conduit, intermediate metal conduit, and standard pipe at the 4-inch trade size.
Designed for use with 4-inch rigid metal conduit, intermediate metal conduit (IMC), and standard pipe as an OEM-style support strap in commercial and industrial electrical installations.
Installation is performed by a licensed electrician in accordance with NEC requirements for conduit support spacing and fastening. De-energize all circuits in the work area before installing or adjusting conduit straps. Fasten the strap to structural members using hardware appropriate for the substrate, such as concrete anchors, beam clamps, or machine screws. Verify that support spacing meets NEC conduit support interval requirements for the conduit type and size being installed.
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