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The SOUTHWIRE ELR7 is an aluminum set screw coupling designed for use with 2-1/2-inch EMT (Electrical Metallic Tubing) conduit. This fitting joins two sections of EMT conduit end-to-end, maintaining a continuous raceway for electrical conductors. The aluminum construction keeps weight low while providing solid corrosion resistance in typical interior and exterior electrical installations. Licensed electricians and electrical contractors install this fitting as part of conduit raceway systems in commercial, industrial, and residential applications.
This coupling is suited for 2-1/2-inch EMT conduit runs in commercial and industrial electrical work, including panel feeders, branch circuit raceways, and equipment connections. The set screw design allows for secure mechanical connection without threading, making it a practical choice for standard EMT installations where a listed coupling is required by code. It is appropriate for use in dry, damp, and wet locations depending on the installation conditions and applicable local code requirements.
Designed as an OEM-style replacement and standard fitting for use with 2-1/2-inch EMT conduit systems in commercial and residential electrical installations.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize all circuits in the conduit run before cutting or joining conduit sections. Use a conduit reamer to deburr cut EMT ends before inserting them into the coupling. Tighten set screws to the fitting manufacturer-recommended engagement using an appropriate hex key or screwdriver to ensure a secure mechanical and electrical bond.
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