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The BMI USA 35161 is a 4x1 black hexagonal conduit bushing constructed from malleable iron. It is used to reduce conduit openings and protect wire and cable insulation from abrasion at conduit entry points. The black finish provides basic corrosion resistance for standard indoor and outdoor conduit installations. At 2.6 pounds, the bushing is a robust, heavy-duty fitting suited for industrial and commercial electrical work. Licensed electricians and electrical contractors are the primary installers of this fitting in rigid metal conduit systems.
This conduit bushing is appropriate for use in commercial, industrial, and residential electrical installations where a 4-inch to 1-inch reduction is required at a conduit termination point. It is commonly used at enclosures, junction boxes, and panel entries to provide a smooth, protected transition for conductors. The hexagonal body allows for secure hand-tightening or wrench installation on threaded conduit ends.
Designed as an OEM-style replacement and standard fitting for use with threaded rigid metal conduit systems requiring a 4-inch to 1-inch reducing bushing.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize all circuits in the affected conduit run before beginning work. Thread the bushing onto the conduit end by hand first, then tighten with an appropriate wrench to ensure a secure connection. Inspect the bushing seat for burrs or damage before pulling conductors through to prevent insulation damage.
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