Close off electrical box openings with our square blank box covers for 4-inch and 4-11/16-inch square metal boxes. Made in the USA from galvanized steel, these flat covers provide a durable closure while keeping the box accessible for future wiring changes and maintenance.
Square Blank Covers for Metal Electrical Boxes
A square blank box cover closes the front of an electrical box when no switch, receptacle, or other device is mounted there. These covers are a practical choice for junction boxes containing wire connections, spare electrical boxes, and existing boxes where a device has been removed.
The flat metal cover attaches to the matching square electrical box and can be removed when access is needed for inspection, maintenance, or future electrical work.
Choose the Correct Box Size
Select a cover that matches the size and mounting arrangement of your electrical box:
- 4-inch square blank covers: Designed for matching 4-inch square electrical boxes.
- 4-11/16-inch square blank covers: Designed for matching 4-11/16-inch square electrical boxes.
Measure the electrical box itself and check the individual product details before ordering. Matching the box dimensions and mounting locations helps ensure the correct fit.
Galvanized Steel Construction — Made in the USA
Manufactured in the USA, these galvanized steel covers provide a rigid, durable closure for square metal electrical boxes. The galvanized finish offers corrosion resistance, while the flat profile keeps the cover close to the front of the box.
Common Applications
- Covering square junction boxes containing wiring connections.
- Closing electrical boxes that do not require a switch or outlet.
- Covering existing boxes after electrical devices have been removed.
- Maintaining access to connection points for future service or wiring changes.
Need a cover for mounting switches or outlets? Browse our complete selection of electrical box covers for raised exposed-work covers, mud rings, and other box-cover options.