{"product_id":"sigma-electric-proconnex-1-in-d-die-cast-zinc-compression-coupling-for-ac-mc-and-fmc-rwfmc","title":"Sigma Electric ProConnex 1 in. D Die-Cast Zinc Compression Coupling For AC, MC and FMC\/RWFMC","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for dependable performance in indoor electrical installations, the Sigma Electric ProConnex 1 in. D Die-Cast Zinc Compression Coupling securely joins conduits and cables in dry locations. The die-cast zinc body delivers rugged durability, tight tolerances, and resistance to wear in everyday service, so your connections stay protected over time.\u003c\/p\u003e \u003cp\u003ePart of the ProConnex family, this 1-inch compression coupling is designed to accommodate AC, MC, and FMC\/RWFMC conduits, giving you a single, versatile fitting that reduces the number of parts you carry on the job. Its boxed packaging keeps a single unit readily available for quick replacements or retrofits.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDie-cast zinc body — robust, corrosion-resistant construction built for years of indoor use.\u003c\/li\u003e \u003cli\u003e1 in. diameter fits standard 1 in. conduits and fittings, enabling straightforward integration with boxes, panels, and enclosures.\u003c\/li\u003e \u003cli\u003eConduit compatibility: AC, MC, and FMC\/RWFMC — ideal for mixed installations without swapping hardware.\u003c\/li\u003e \u003cli\u003eSafety listings: UL Listed and CSA Listed for compliance with electrical codes in North America.\u003c\/li\u003e \u003cli\u003eApplication: Dry Location — intended for indoor environments such as equipment rooms, electrical closets, and service panels.\u003c\/li\u003e \u003cli\u003ePackaging: Boxed; 1 unit per package for easy stocking and on-site use.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy installers choose ProConnex 1 in. Die-Cast Zinc Compression Coupling\u003c\/h3\u003e\n\u003cp\u003eWhether you're performing new construction, a retrofit, or a routine maintenance upgrade, this coupling delivers a reliable, code-compliant connection without the bulk of heavier hardware. The compression mechanism provides a secure seal that resists loosening from vibration or thermal cycling, helping prevent moisture ingress and ensuring long-term integrity inside dry locations.\u003c\/p\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConnecting 1 in. AC, MC, or FMC\/RWFMC conductors to panels, junction boxes, or conduit bodies in indoor facilities.\u003c\/li\u003e \u003cli\u003eRetrofitting an aging setup where a compact, durable coupling is needed to replace worn fittings.\u003c\/li\u003e \u003cli\u003eNew installations in electrical closets and mechanical rooms where space is at a premium and reliability matters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation quick guide\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003ePrepare the conduits and inspect the end faces for damage or burrs.\u003c\/li\u003e \u003cli\u003eSlide the compression nut and ferrule onto the conduit, align with the mate fitting, and thread into place.\u003c\/li\u003e \u003cli\u003eTighten to the manufacturer’s torque specification until a firm, leak-free seal is achieved.\u003c\/li\u003e \u003cli\u003eInspect the connection for proper alignment and secure fit before energizing.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eBuilt for professionals who demand durability, versatility, and straightforward maintenance, the Sigma Electric ProConnex 1 in. D Die-Cast Zinc Compression Coupling stands up to daily use in indoor, dry environments while keeping installations neat and compliant.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sigma Electric","offers":[{"title":"Default Title","offer_id":52197926600978,"sku":"3179959","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/3179959_A.eps_High.jpg?v=1776205390","url":"https:\/\/nationalhardwaregroup.com\/products\/sigma-electric-proconnex-1-in-d-die-cast-zinc-compression-coupling-for-ac-mc-and-fmc-rwfmc","provider":"National Hardware Group","version":"1.0","type":"link"}