{"product_id":"1-2-3-4-box-ext-ring-21cub-stl","title":"1\/2 \u0026 3\/4 BOX EXT RING 21CUB STL","description":"\u003ch2\u003e1\/2 \u0026amp; 3\/4 BOX EXT RING 21CUB STL - Electrical Box Extension Ring\u003c\/h2\u003e\n\n\u003cp\u003eThis Steel City 1\/2 \u0026amp; 3\/4 Box Extension Ring provides a 21 cubic inch capacity for electrical wiring applications. Designed for use in electrical distribution and lighting solutions, it extends 4-inch square outlet boxes by 1-1\/2 inches deep, facilitating additional wiring space. The ring features 12 knockouts sized for 1\/2 inch and 3\/4 inch conduits, allowing versatile conduit entry options for wire and cable routing. Constructed from pre-galvanized steel, it offers durability and corrosion resistance suitable for commercial and industrial installations.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eColor: Silver\u003c\/li\u003e\n\u003cli\u003eCubic Capacity: 21 cu in\u003c\/li\u003e\n\u003cli\u003eSize: 4 in Length x 4 in Width x 1-1\/2 in Depth\u003c\/li\u003e\n\u003cli\u003eNumber of Knockouts: 12\u003c\/li\u003e\n\u003cli\u003eNumber of Outlets: 1\u003c\/li\u003e\n\u003cli\u003eManufacturer: Steel City\u003c\/li\u003e\n\u003cli\u003eManufacturer Part #: 531511234UB\u003c\/li\u003e\n\u003cli\u003eProduct Weight: 9.5 lbs\u003c\/li\u003e\n\u003cli\u003eStandards: UL E2969\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre-galvanized steel construction for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eEccentric knockouts for 1\/2 inch and 3\/4 inch conduit compatibility\u003c\/li\u003e\n\u003cli\u003eExtends 4-inch square outlet boxes by 1-1\/2 inches for increased wiring capacity\u003c\/li\u003e\n\u003cli\u003eSuitable for use in wire management and connectivity installations\u003c\/li\u003e\n\u003cli\u003eComplies with UL standards for electrical box extensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads \u0026amp; Links\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/images.tradeservice.com\/5T4OF9MVXVJA4GL0\/ATTACHMENTS\/DIR100433\/ABBInstallationProducts-Thomas\u0026amp;Betts_34904_A42_CAT.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSpec Sheet\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/images.tradeservice.com\/5T4OF9MVXVJA4GL0\/ATTACHMENTS\/DIR100433\/ABBInstallationProducts-SteelCity_35049_1_2_SPEC.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSpec Sheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Steel City","offers":[{"title":"Default Title","offer_id":48738975416575,"sku":"56855","price":3.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/5868\/6463\/files\/1a23354795d45aaa116b56de113bd4255a2f4238-large.png?v=1782377483","url":"https:\/\/hunkshome.com\/products\/1-2-3-4-box-ext-ring-21cub-stl","provider":"HunksHome®","version":"1.0","type":"link"}