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The ARLINGTON INDUSTRIES NMSC75BL is a 3/4 inch non-metallic screw-on connector designed for terminating liquidtight non-metallic conduit at enclosures, junction boxes, and panels. The screw-on design eliminates the need for a separate locknut, allowing the connector to thread directly onto a standard knockout opening. This fitting is suited for residential and light commercial electrical installations where a secure, moisture-resistant conduit termination is required. Electricians and low-voltage installers use this connector in applications where quick, tool-minimal terminations are needed in wet or damp locations.
This connector is appropriate for 3/4 inch liquidtight non-metallic conduit runs in residential wiring, HVAC equipment connections, outdoor enclosures, and similar applications where conduit must enter a box or panel without a separate locknut step. The screw-on configuration speeds up installation in repetitive or production wiring scenarios. It is sold as a single unit and is categorized as a hardware accessory fitting for electrical conduit systems.
Designed as an OEM-style replacement and standard-use fitting for 3/4 inch non-metallic liquidtight conduit systems in residential and light commercial electrical installations.
This connector is installed by licensed electricians in accordance with applicable NEC requirements for liquidtight conduit fittings. De-energize all circuits and verify the panel or enclosure is powered down before beginning conduit termination work. Thread the connector into the knockout by hand and tighten to a snug fit per the fitting design. Avoid over-tightening, which can crack the non-metallic body.
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