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The ORBIT INDUSTRIES LN-50 is a zinc die-cast conduit locknut designed to secure threaded conduits or connectors to electrical junction boxes and enclosures. Sized for 1/2-inch trade size conduit, this locknut features serrated teeth that bite into the box or enclosure surface, preventing vibratory loosening over time. It is suitable for use in wet locations, making it appropriate for outdoor and damp-environment electrical installations. Electricians and electrical contractors install this hardware as part of standard conduit assembly work.
The LN-50 is used in residential, commercial, and light industrial electrical installations where threaded conduit or connectors must be fastened to junction boxes or enclosures with unthreaded knockout openings. Its wet location rating makes it a reliable choice for exterior panels, underground junction boxes, and other moisture-exposed enclosures where a secure, corrosion-resistant mechanical connection is required.
Designed as an OEM-style replacement and standard conduit accessory for 1/2-inch trade size threaded conduit systems used with electrical junction boxes and enclosures in wet or dry locations.
Installation is performed by a licensed electrician in accordance with applicable NEC requirements. De-energize the circuit and verify power is off before working inside any enclosure. Thread the locknut onto the conduit or connector and tighten against the interior or exterior of the knockout opening using a locknut wrench or screwdriver and hammer method until the serrated teeth seat firmly against the enclosure wall. Avoid overtightening, which can crack the die-cast body.
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