{"product_id":"4-square-steel-electrical-extension-ring-30-cu-in-galvanized-box-extension-with-10-knockouts","title":"4\" Square Steel Electrical Extension Ring – 30 cu in Galvanized Box Extension with 10 Knockouts","description":"\u003cp\u003eThis 4\" square galvanized steel extension ring is designed to increase box depth for safer wire capacity and easier device installation. Built for durability and versatility, it includes concentric knockouts for flexible conduit entry and is ideal for extending existing electrical boxes in residential and commercial applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• 4\" square steel extension box \/ extension ring\u003cbr\u003e• Galvanized steel construction for strength and corrosion resistance\u003cbr\u003e• Dimensions: 4\" x 4\" x 2 1\/8\"\u003cbr\u003e• 30 cu. in. capacity\u003cbr\u003e• 10 concentric knockouts for flexible wiring entry\u003cbr\u003e• Ideal for extending existing electrical boxes\u003cbr\u003e• Suitable for residential and commercial installations\u003c\/p\u003e","brand":"Kora","offers":[{"title":"Default Title","offer_id":49408740753724,"sku":"KO-SMB20244","price":3.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/8889\/9644\/files\/SMB20244_a0c1a581-6b26-447e-8268-c76bb4f862df.png?v=1715958305","url":"https:\/\/ecolighting.ca\/products\/4-square-steel-electrical-extension-ring-30-cu-in-galvanized-box-extension-with-10-knockouts","provider":"Eco Lighting \u0026 Electrical","version":"1.0","type":"link"}