OHLECTRIC 4" Square Steel Work Box Extension Rings 2-1/8" Deep with Eight 1/2" & 3/4” Knockouts, Fire Rated| Ideal for Wiring Connections, Housing Receptacle & Switches (4-Pack)

Introducing our top-notch 4" Square Steel Work Box Extension Rings - your ultimate solution for all your electrical outlet needs. Crafted from superior quality galvanized steel, this receptacle box extension ring is designed to withstand extreme conditions, providing longevity and reliability. Measuring 2-1/8" deep, this socket box is perfect for your various electrical installations, ensuring safety and efficiency. It also features eight 1/2" knockouts and four 3/4" knockouts, making wire routing easier and more manageable. It is intended to prevent plaster and drywall mud interference in device mounting during installation. It is deep enough to accommodate a variety of wires, providing the perfect blend of versatility and convenience. The raised emboss boxes make it easy to identify the knockouts. Our box is fire-rated, providing assurance and peace of mind. These electrical steel boxes are cULus and ROHS certified for safety, and an ideal option for wiring connections, housing receptacles, switches, and other electrical devices.

• PREMIUM SETUP: 4" Square Drawn Steel Boxes are made from high-quality galvanized steel and offer ample room for wiring connections, housing receptacles, switches, and electrical outlets.
• IMPROVED DESIGN: Raised emboss boxes have eight 1/2" & 3/ 4" knockout holes on the sides, intended to prevent plaster and drywall mud interference in device mounting during installation.
• FIRE RATED ASSURANCE: Features fire-rated design for enhanced safety, our square steel work box extensions prioritize protection, ensuring compliance with fire safety standards.
• WIDE APPLICATION: These electrical steel boxes are cULus and ROHS certified for safety, and an ideal option for wiring connections, housing receptacles, switches, and other electrical devices
• ONE-STOP SOLUTION: Ohlectric is your one-stop shop for all electrical accessories, ranging from mounting plates to switch boxes that are widely used by contractors and electricians.