Secure, long-lasting conduit connections start with the right coupling. The Sigma Electric ProConnex 1-1/4 in. D zinc-plated steel conduit coupling is engineered for dependable performance in rigid and IMC conduit runs, delivering precise fit and lasting durability in a compact, boxed package.
-
Diameter: 1-1/4 in. (trade size) for standard rigid/IMC conduit joins
-
Material: Zinc-plated steel for enhanced corrosion resistance and rugged service life
-
Connector type: Threaded, enabling secure, vibration-resistant joints
-
Conduit compatibility: Rigid and IMC conduit systems
-
Listings: UL Listed and CSA Listed for code-compliant installations
-
Packaging: Sold as a single unit in a boxed package
-
Brand and line: ProConnex by Sigma Electric, ensuring consistent fit and manufacturing tolerances
Whether you’re wiring a commercial rack of conduits or updating a residential service, this ProConnex coupling delivers a reliable, straightforward connection that installers can trust. The zinc finish helps resist corrosion on environments where moisture or humidity is a factor, reducing maintenance concerns over the life of the installation.
Use cases and ideal applications
Use the 1-1/4 in. ProConnex conduit coupling to join two sections of rigid or IMC conduit in panels, junctions, fixtures, or along runways where a clean, code-compliant termination is essential. Its threaded design simplifies alignment and tightening, making it a practical choice for both seasoned technicians and experienced DIYers tackling electrical upgrades or new constructions.
What sets ProConnex apart
ProConnex fittings are crafted to tight tolerances and designed to pair seamlessly with Sigma Electric’s conduit products, minimizing cross-threading and misalignment. The result is faster installations, fewer callbacks, and a more predictable, professional finish on every job.
Practical tips for best results
Before installation, verify the conduit type and size, ensure threads are clean, and hand-tighten the coupling before final torque with a conduit wrench. Store the unit in its boxed packaging until you’re ready to install to protect the zinc finish and keep threads pristine.
Choose the Sigma Electric ProConnex 1-1/4 in. D zinc-plated steel conduit coupling for a dependable, code-approved connection that stands up to demanding electrical installations in rigid and IMC conduit systems.
