{"product_id":"4-square-chicago-plenum-airtight-extension-ring-2-1-8-inch-deep-1-2-and-3-4-inch-knockouts-53171-svt-pack-of-25","title":"4 Square Chicago Plenum Airtight Extension Ring 2-1\/8 Inch Deep 1\/2 And 3\/4 Inch Knockouts 53171-SVT (Pack of 25)","description":"\u003ch4 data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eAbout:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• The extension ring is square-shaped and measures 4 inches on each side.\u003cbr\u003e• Plenum spaces are areas within buildings where air circulation occurs, such as above suspended ceilings or below raised floors\u003cbr\u003e• The extension ring is designed to be airtight, preventing the passage of air between the plenum space and other areas of the building. \u003cbr\u003e• It has a depth of 2-1\/8 inches, providing ample space within the electrical box for wiring connections and devices. \u003cbr\u003e• The extension ring features both 1\/2-inch and 3\/4-inch knockouts, allowing for easy insertion of conduits, cables, or connectors. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAlso known as:\u003c\/strong\u003e\u003cstrong style=\"font-size: 0.875rem;\" data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e4 Square Extension Ring, Electrical Box Extension Ring, Chicago Plenum Air-sealed Extension Ring, Airtight Square Box Extension Ring, Plenum Space Extension Ring, Extension Ring With Knockouts, Plenum Airtight Extension Ring.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Type: Plenum Airtight Extension Ring\u003cbr\u003e• Product Height: 2.13 Inch\u003cbr\u003e• Product Width: 4.0 Inch\u003cbr\u003e• Color: Silver\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cbr\u003e\u003c\/span\u003e• UPC\u003cstrong style=\"font-size: 0.875rem;\" data-mce-fragment=\"1\"\u003e: \u003c\/strong\u003e785592531667\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eFeatures:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Designed for use in plenum spaces, ensuring compliance with strict fire safety and air handling regulations.\u003cbr\u003e• 2-1\/8 inches deep, offering sufficient space within the electrical box for wiring connections and devices.\u003cbr\u003e• Features both 1\/2-inch and 3\/4-inch knockouts for easy insertion of conduits, cables, or connectors, facilitating wiring connections in electrical installations\u003cbr\u003e• Designed for straightforward installation, with provisions for attachment to existing electrical boxes and wiring connections.\u003cbr\u003e\n\u003c\/h4\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/h4\u003e","brand":"Southwire","offers":[{"title":"Default Title","offer_id":44690780258458,"sku":"53171-SVT","price":145.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0213\/7895\/7412\/files\/b19_09afb29a-8bfa-431c-96b4-2175acd0c090.png?v=1762995407","url":"https:\/\/nassaunationalcable.com\/en-ca\/products\/4-square-chicago-plenum-airtight-extension-ring-2-1-8-inch-deep-1-2-and-3-4-inch-knockouts-53171-svt-pack-of-25","provider":"NassauNationalCable","version":"1.0","type":"link"}