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The ABB BR503 is a 1-inch plastic conduit spacer designed to maintain consistent separation between conduit runs in electrical installations. These spacers hold conduit at a fixed offset from walls, ceilings, or structural surfaces, ensuring proper clearance and alignment throughout a raceway system. Sold in a carton of 100 units, the BR503 suits projects that require uniform conduit spacing across long runs or multiple parallel circuits. Electricians on commercial and industrial jobs rely on this type of fitting to meet code clearance requirements and to simplify layout work during rough-in.
The BR503 is suited for use in commercial, industrial, and residential electrical installations where 1-inch conduit must be routed parallel to a surface with consistent standoff distance. The plastic construction resists corrosion, making these spacers appropriate for damp or moderately wet locations. They are commonly used in panel rooms, mechanical rooms, and exposed conduit runs along concrete or masonry surfaces where metal hardware might corrode.
Designed as an OEM-style fitting for use with standard 1-inch trade-size conduit in electrical raceway systems.
Installation is typically performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize all circuits in the work area before mounting conduit hardware. Secure the spacer to the mounting surface using fasteners appropriate for the substrate before seating the conduit. Do not overtighten fasteners, as plastic spacers can crack under excessive compressive load.
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