{"product_id":"sigma-electric-double-snap-lock-3-8-in-d-die-cast-zinc-duplex-connector-for-ac-mc-and-fmc-rwfmc-1","title":"Sigma Electric Double Snap Lock 3\/8 in. D Die-Cast Zinc Duplex Connector For AC, MC and FMC\/RWFMC 1","description":"\u003cdiv\u003e\n\u003cp\u003eThe Sigma Electric Double Snap Lock 3\/8 in. D Die-Cast Zinc Duplex Connector is crafted for dependable, fast, and code-compliant conduit connections in AC, MC, and FMC\/RWFMC systems. With a compact 3\/8\" diameter and compatibility with a 1\/2\" knockout, this connector fits tight spaces while delivering a secure, vibration-resistant hold that electricians trust on demanding jobs.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDie-cast zinc durability\u003c\/strong\u003e: a rugged, corrosion-resistant body built to withstand the bumps, heat, and wear of professional electrical installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDouble snap lock mechanism\u003c\/strong\u003e: two locking points engage quickly and firmly, providing a reliable grip without the need for extra tools or hardware.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWide conduit compatibility\u003c\/strong\u003e: designed for AC armor cable, MC cable, and FMC\/RWFMC, streamlining multi-cable projects with a single, versatile connector.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecisely sized for tight spaces\u003c\/strong\u003e: 3\/8\" diameter fits common distribution runs while keeping a slim profile for crowded panels and boxes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCode-approved safety\u003c\/strong\u003e: UL Listed, CSA Listed, and ETL Listed—seal of safety and compliance for professional electrical work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConvenient packaging\u003c\/strong\u003e: sold as a single connector per bag, making it easy to stock and grab on the job site.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted branding\u003c\/strong\u003e: part of Sigma Electric’s Double Snap Lock line, designed to pair seamlessly with other Sigma Electric connectors and fittings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis duplex connector is ideal for electricians, contractors, and skilled DIY installers who need a quick, secure solution for panel and junction-box assemblies, as well as run-through installations where space is at a premium. The double snap lock design accelerates installation, reduces the risk of loosening over time, and helps keep conduit securely in place even in vibration-prone environments.\u003c\/p\u003e \u003ch3\u003eUse cases and practical benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstalling or upgrading AC, MC, or FMC\/RWFMC conduits in panels, distribution boxes, and junction points where a reliable, compact connector is essential.\u003c\/li\u003e \u003cli\u003eRetrofits or new builds that demand fast, tool-free engagement without compromising safety or performance.\u003c\/li\u003e \u003cli\u003eProjects requiring adherence to UL, CSA, and ETL safety standards, ensuring installations meet current electrical codes.\u003c\/li\u003e \u003cli\u003eApplications with limited knock-out space thanks to the 1\/2\" knockout compatibility, enabling neater, more organized conduits in tight enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eInstallation tips\u003c\/h4\u003e\n\u003col\u003e \u003cli\u003eInspect the knockout edge and conduit for burrs; ensure clean, smooth surfaces before installation.\u003c\/li\u003e \u003cli\u003eInsert the conduit into the duplex connector until it seats fully against the internal stops.\u003c\/li\u003e \u003cli\u003ePress firmly to engage the double snap lock; you should feel and hear a decisive snap indicating a secure grip.\u003c\/li\u003e \u003cli\u003eGently tug the conduit to verify the lock is seated and additional movement is resisted.\u003c\/li\u003e \u003cli\u003eConfirm compatibility with your specific AC, MC, or FMC\/RWFMC cable type and comply with all applicable codes and listings.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch4\u003eSpecifications at a glance\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eBrand: Sigma Electric\u003c\/li\u003e \u003cli\u003eSub-brand: Double Snap Lock\u003c\/li\u003e \u003cli\u003eProduct Type: Duplex Connector\u003c\/li\u003e \u003cli\u003eMaterial: Die-Cast Zinc\u003c\/li\u003e \u003cli\u003eConduit Compatibility: AC, MC, and FMC\/RWFMC\u003c\/li\u003e \u003cli\u003eDiameter: 3\/8\"\u003c\/li\u003e \u003cli\u003eKnockout Size: 1\/2\"\u003c\/li\u003e \u003cli\u003ePackaging: Bagged, 1 piece\u003c\/li\u003e \u003cli\u003eListings: UL Listed, CSA Listed, ETL Listed\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals who value efficiency without compromising safety, the Sigma Electric Double Snap Lock duplex connector delivers a secure, dependable connection that stands up to real-world installations. Its precise fit, versatile conduit compatibility, and trusted safety certifications make it a practical choice for modern electrical work—from panel-mounted conduits to compact junctions in space-conscious environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sigma Electric","offers":[{"title":"Default Title","offer_id":52199938785554,"sku":"3539186","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/3539186_A.eps_High.jpg?v=1776292942","url":"https:\/\/nationalhardwaregroup.com\/products\/sigma-electric-double-snap-lock-3-8-in-d-die-cast-zinc-duplex-connector-for-ac-mc-and-fmc-rwfmc-1","provider":"National Hardware Group","version":"1.0","type":"link"}