{"product_id":"abb-52151-x-4-in-square-steel-outlet-box-21-cu-in-ac-clamp","title":"Abb 52151 X 4 in Square Steel Outlet Box 21 Cu in Ac Clamp","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ABB INSTALLATION PRODUCTS 52151 x is a pre-galvanized steel 4-square outlet box designed for use with armored and metal clad cable installations. Measuring 4 inches by 4 inches with a depth of 1.5 inches, it provides 21 cubic inches of interior volume. The box ships with an integrated armored cable clamp (C-3) and includes 11 knockouts sized at 1\/2 inch and 3\/4 inch in an eccentric pattern. Licensed electricians and electrical contractors install this box as a standard rough-in enclosure in residential and commercial wiring systems where MC or AC cable is the wiring method of choice.\u003c\/p\u003e\u003cp\u003eThis outlet box is suited for wall and ceiling installations where armored or metal clad cable is required by code or specification. The 4-square form factor accommodates a wide range of cover plates and device rings, making it a versatile rough-in choice for receptacles, switches, and junction applications. The pre-galvanized steel finish provides corrosion resistance appropriate for standard interior environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e21 cubic inch interior volume meets NEC box-fill requirements for multi-conductor installations\u003c\/li\u003e\n\u003cli\u003eIntegrated C-3 armored cable clamp supports direct MC and AC cable termination without a separate connector\u003c\/li\u003e\n\u003cli\u003e11 eccentric knockouts in 1\/2 inch and 3\/4 inch sizes for flexible conduit or cable entry routing\u003c\/li\u003e\n\u003cli\u003ePre-galvanized steel construction for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003e4-square profile accepts standard 4-inch square covers, device rings, and mud rings\u003c\/li\u003e\n\u003cli\u003eListed to UL E2969 for code-compliant installations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with armored cable (AC) and metal clad cable (MC) wiring systems. Accepts standard 4-inch square cover plates and device rings commonly used in commercial and residential electrical rough-in work.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Disconnect and lock out all power to the circuit before mounting the box or making any wiring connections. Secure the box to structural framing members using appropriate fasteners rated for the application. Verify box-fill calculations per NEC Article 314 before terminating conductors to ensure the 21 cubic inch capacity is not exceeded.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCubic Capacity\u003c\/strong\u003e: 21 cubic inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox Size\u003c\/strong\u003e: 4 inches x 4 inches x 1.5 inches deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKnockout Sizes\u003c\/strong\u003e: 1\/2 inch and 3\/4 inch eccentric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Knockouts\u003c\/strong\u003e: 11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Outlets\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Pre-galvanized steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Clamp Included\u003c\/strong\u003e: Yes, C-3 armored cable clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListing\u003c\/strong\u003e: UL E2969\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ABB INSTALLATION PRODUCTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 52151 x\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB INSTALLATION PRODUCTS","offers":[{"title":"Default Title","offer_id":51268187291954,"sku":"52151 X","price":481.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308909343.jpg?v=1780701659","url":"https:\/\/voomisupply.com\/products\/abb-52151-x-4-in-square-steel-outlet-box-21-cu-in-ac-clamp","provider":"Voomi Supply","version":"1.0","type":"link"}