OHLECTRIC Crushed Corner Steel Single Duplex Receptacle Box Cover| 4 Square Electrical Box Cover, Fire Rated | Ideal for Wiring Connection Protection and Wiring Devices (4-Pack)

STURDY STEEL CONSTRUCTION: These electric box covers with single duplex receptacle are a perfect fit for 4-inch square boxes, help in optimizing electrical setups and offer protection from accidental electrocution | PREMIUM MATERIALS: Constructed using top galvanized steel, square box cover is corrosion resistant to ensure your electrical setup stays rust-free, making it ideal for indoor and outdoor use. | FIRE RATED ASSURANCE: Features fire-rated design for enhanced safety, our single duplex box cover prioritizes protection, ensuring compliance with fire safety standards. | EASY INSTALLATION: This crushed corner steel constructed box cover allows for quick installation of electrical devices to covers before they are mounted to the box. | WIDE APPLICATION: Our 4 square box covers are cULus and ROHS certified for safety, and an ideal option for contractors and electricians for wiring connection protection and wiring devices.