4" Electrical Box Cover, Steel, Flat

Raco 752 | 4" Square Blank Steel Cover | Flat Design with Angled Mounting Slots The Raco 752 is a flat steel blank cover designed for 4-inch square electrical boxes. Manufactured from durable steel, this cover provides a secure and compliant closure for electrical junctions, splices, and unused box openings. It’s commonly used in both commercial and residential electrical installations to enclose 4" square outlet boxes where device mounting is not required. Angled mounting slots permit adjustment for up to 12° of box misalignment, which helps simplify alignment in retrofit or uneven wall scenarios. Product Features Material: Stamped steel Finish: Pre-galvanized Cover Type: Flat blank cover Box Compatibility: 4" square boxes (typically 1-1/2" or 2-1/8" deep) Mounting: Two-keyhole slots allow for up to 12° of adjustment Compliance: UL Listed, suitable for grounding when installed with grounding screw or device Application Notes The 752 cover is suitable for general-purpose applications where blanking off an unused box or enclosing spliced connections is required. It can be used in surface or flush-mounted installations and is compatible with standard 4" square metallic outlet boxes. Not intended for use as a device cover. Installation Guidance Install using standard cover screws (not included unless specified). Verify that the box is properly grounded if required by code. Use with caution in energized environments, and follow all NEC and local code requirements. Ensure mounting hardware is securely fastened to avoid future loosening due to vibration or thermal cycling.