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The THOMAS BETTS 5120 is a steel compression-style coupling designed for joining EMT (Electrical Metallic Tubing) conduit in a single 1/2-inch trade size configuration. This non-insulated fitting uses a compression connection method to create a concrete-tight, water-resistant joint without the need for tools beyond basic hand tightening. It is a standard raceway component used by licensed electricians during conduit installation in commercial and residential electrical systems. The steel construction provides mechanical strength and durability suited to demanding installation environments.
The 5120 is used in EMT conduit runs where a secure, concrete-tight coupling is required. Its compression design makes it appropriate for installations in wet or damp locations, embedded applications in concrete, and other environments where water resistance is a priority. Electricians working on branch circuit conduit runs, feeder conduit systems, or exposed raceway assemblies in commercial or residential construction will find this fitting suitable for standard 1/2-inch EMT connections.
Designed as an OEM-style replacement and standard fitting for 1/2-inch trade size EMT conduit systems.
Installation should be performed by a licensed electrician in accordance with applicable NEC requirements for EMT conduit systems. De-energize all circuits in the conduit run before making connections or modifications to existing raceway. Compression couplings should be tightened to achieve a secure, watertight fit using appropriate conduit tools. Verify fitting suitability for the specific area of application prior to installation.
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