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The THOMAS BETTS 8621 is a straight compression conduit connector designed for use with rigid metal conduit (RMC) and intermediate metal conduit (IMC) in non-hazardous electrical installations. Constructed from malleable iron, this connector provides a secure, non-insulated mechanical connection between conduit and an enclosure or junction box knockout. The compression-style fitting delivers a reliable, tool-assisted termination that maintains conduit continuity and supports proper grounding paths. At a 2-inch trade size, it suits medium and larger conduit runs commonly found in commercial and industrial wiring systems. Licensed electricians and electrical contractors are the primary installers of this fitting.
This connector is suited for non-hazardous area installations where rigid or IMC conduit terminates at enclosures, panels, junction boxes, or other electrical equipment. It is appropriate for both new construction and retrofit work in commercial, industrial, and utility applications where a 2-inch trade size conduit system is specified. The straight configuration simplifies termination at flat enclosure surfaces without requiring additional fittings or adapters.
Designed as an OEM-style replacement and standard-use fitting for rigid metal conduit (RMC) and intermediate metal conduit (IMC) systems at 2-inch trade size in non-hazardous locations.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. De-energize and lock out the panel or enclosure before beginning conduit termination work. The compression fitting requires the appropriate compression tool or wrench to properly seat the connector body and ensure a secure mechanical and electrical connection. Do not overtighten, as malleable iron fittings can crack under excessive force.
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