{"product_id":"separate-ap-00203-s11-p08-fbm-0570","title":"4\" Square Electrical Box Extension Ring, 1-1\/2\" Deep, 21 Cu. in., Galvanized Steel, (8) 1\/2\" \u0026 (4) 3\/4\" Knockouts, UL Listed – 8 Pack","description":"\u003cp\u003eThe Airmont 4-Inch Square Electrical Box Extension Ring is engineered to increase wiring capacity and provide additional depth for existing 4-inch square electrical boxes. Featuring a generous 21 cubic inch capacity and a 1-1\/2-inch deep profile, this extension ring helps accommodate additional conductors, splices, and wiring devices while maintaining a clean, professional installation.\u003c\/p\u003e\u003cp\u003eManufactured from heavy-duty drawn galvanized steel, the 4-Inch Square Electrical Box Extension offers exceptional strength, corrosion resistance, and long-term durability for residential, commercial, and industrial electrical applications. The versatile knockout configuration includes eight 1\/2-inch side knockouts and four 3\/4-inch side knockouts, allowing electricians greater flexibility when routing conduit and cable.\u003c\/p\u003e\u003cp\u003eIdeal for electrical box extensions, junction box modifications, and projects requiring additional box fill capacity, this UL Listed extension ring delivers the reliability professionals expect.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpand Wiring Capacity With Ease\u003c\/strong\u003e – Designed to extend existing 4-inch square junction boxes while adding valuable space for conductors, splices, and wiring devices. The 1-1\/2-inch deep design provides an additional 21 cubic inches of capacity, making it ideal for remodels, upgrades, and complex electrical installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Drawn Galvanized Steel\u003c\/strong\u003e – Constructed from durable galvanized steel using a drawn design for added strength and rigidity. Built to withstand demanding residential, commercial, and industrial environments while providing long-lasting corrosion resistance and dependable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Knockout Configuration\u003c\/strong\u003e – Features (8) 1\/2-inch side knockouts and (4) 3\/4-inch side knockouts to accommodate multiple conduit and cable routing options. Provides flexibility for a wide range of wiring methods and installation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal For Junction Box Extensions\u003c\/strong\u003e – Perfect for increasing box fill capacity, extending existing electrical boxes, and creating additional access for conduit runs and electrical wiring. Suitable for lighting circuits, receptacle installations, junction boxes, and other branch circuit applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUl Listed For Safety And Code Compliance\u003c\/strong\u003e – Manufactured to meet recognized electrical safety standards for dependable installation performance. Designed for professional-grade reliability and peace of mind on every project.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAirmont Products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Airmont Products","offers":[{"title":"Default Title","offer_id":54113041907907,"sku":"AP-00203-S11-P08-FBM","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6001\/7859\/files\/81qM4SaZC6L.jpg?v=1793813038","url":"https:\/\/www.airmontproducts.com\/products\/separate-ap-00203-s11-p08-fbm-0570","provider":"Airmont Products","version":"1.0","type":"link"}