{"product_id":"heavy-duty-metallic-extension-ring-for-four-half-i","title":"Heavy Duty Metallic Extension Ring For Four Half Inch Threaded Knockouts On 4 Inch Round Electrical Boxes Hella Solid With Seal Plugs For Quick Wire Access That Is Totally A Game Changer For Any Crew","description":"\u003cdiv\u003eHeavy Duty Electrical Box Extender With Threaded Holes\u003cbr\u003e\n✔️ Heavy duty steel housing with four half inch threaded knockout hubs \u003cp\u003eThis single packaged metallic extension hub attaches directly to standard four inch round junction housings to boost internal wiring volume by 16.5 cubic inches. Electricians typically bolt this sealed attachment plate onto exterior surfaces to route multiple conduit runs through tight outdoor enclosures while keeping moisture out.\u003c\/p\u003e ✅ Gained sixteen point five cubic inches of total chamber space inside your existing enclosure\u003cbr\u003e\n✅ Mounted directly onto standard four inch circular housing frames without needing special adapters\u003cbr\u003e\n✅ Sealed with included rubber gaskets and plastic plugs to maintain complete moisture barriers\u003cbr\u003e\n✅ Finished with a thick powder coating layer that resists rust buildup during long outdoor service lives\u003cbr\u003e\n✅ Built from solid die aluminum alloy plates that take heavy physical impacts during fast panel upgrades\u003cbr\u003e \u003cp\u003e💡 Why do electricians choose threaded knockouts for sealing extension rings on outdoor enclosures?\u003cbr\u003eAdding a dedicated seal-proof fitting makes yanking thick cables way more handy on rough job sites.\u003cbr\u003e- Keeps rain from sneaking into live panels when using compression gland stops\u003cbr\u003e- Lines up perfect with half inch rigid conduits already stacked on work trucks\u003cbr\u003e- Saves you from drilling messy holes by handing you pre threaded entry ports\u003cbr\u003e- Passes strict UL wet location testing for steady salt air exposure runs\u003c\/p\u003e\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49335779426539,"sku":"VXB0DP9NJQ52","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51hWJsk3UxL.jpg?v=1788383134","url":"https:\/\/vxb.com\/products\/heavy-duty-metallic-extension-ring-for-four-half-i","provider":"VXB Bearings","version":"1.0","type":"link"}