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The NSI INDUSTRIES AMC-52 is a 3/8 inch E-Z Lock conduit connector assembly designed for securing flexible metallic conduit to electrical enclosures, junction boxes, and panels. This type of connector uses a snap-in locking mechanism that allows for fast, tool-free installation in standard knockout openings. Electricians use this fitting to terminate flexible conduit runs where a secure, vibration-resistant connection is required. It is a standard trade component in both new construction and retrofit electrical work.
This connector is suited for residential and light commercial electrical installations where 3/8 inch flexible metallic conduit terminates at a box or enclosure. Typical applications include motor connections, equipment hookups, and conduit drops to fixtures or devices where flexibility is needed at the endpoint. The E-Z Lock design is intended for installations where installation speed and repeatability across multiple connections are priorities.
Designed as an OEM-style replacement and standard-fit connector for 3/8 inch flexible metallic conduit terminations at electrical boxes and enclosures with standard knockout openings.
Installation is performed by licensed electricians in accordance with NEC guidelines for flexible conduit terminations. Power must be shut off and the circuit de-energized before working inside any enclosure. Insert the connector into the knockout opening and verify the lock has fully engaged before pulling on the conduit. Inspect the fitting after installation to confirm a secure, rattle-free connection.
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