{"product_id":"4-inch-square-plenum-extension-ring-1-1-2-inch-deep-drawn-with-knockouts-53151-svt-pack-of-65","title":"4 Inch Square Plenum Extension Ring 1-1\/2 Inch Deep Drawn With Knockouts 53151-SVT (Pack of 65)","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• It has a depth of 1-1\/2 inches, which means it extends the depth of the electrical box by this amount. \u003cbr\u003e• The term \"plenum\" refers to spaces within buildings where air circulation occurs, such as the area above a dropped ceiling or below a raised floor\u003cbr\u003e• The term \"drawn\" indicates that the extension ring is likely manufactured using a drawing or stamping process. \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, Plenum Space Extension Ring, Plenum-rated Device Ring, Plenum-rated Conduit Extension Ring, Plenum Extension Ring, 4 Inch Square Plenum Extension Ring.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Type: 4 Inch Square Plenum Extension Ring\u003cbr\u003e• Material: Galvanized Steel\u003cbr\u003e• Product Height: 1.5 Inch\u003cbr\u003e• Product Width: 4.0 Inch\u003cbr\u003e• Color: Silver\u003cbr\u003e• Side Knockouts: (8) 1\/2\", (4) 3\/4\"\u003cbr\u003e• UPC\u003cstrong style=\"font-size: 0.875rem;\" data-mce-fragment=\"1\"\u003e: \u003c\/strong\u003e785592531544\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eFeatures:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e• Drawn construction with airtight knockouts\u003cbr data-mce-fragment=\"1\"\u003e• Bottom mounting slots allow a quick installation onto existing boxes\u003cbr data-mce-fragment=\"1\"\u003e• 53C1-VT Plenum Sealing Ring must be ordered separatly\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":44689332797594,"sku":"53151-SVT","price":130.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0213\/7895\/7412\/files\/b8_166d22fb-ab56-4f07-aab0-162a8dffbecb.png?v=1762995346","url":"https:\/\/nassaunationalcable.com\/en-ca\/products\/4-inch-square-plenum-extension-ring-1-1-2-inch-deep-drawn-with-knockouts-53151-svt-pack-of-65","provider":"NassauNationalCable","version":"1.0","type":"link"}