SQUARE, OCTAGON AND ROUND BOX COVERS
- Covers are used to close an outlet box and are required by code. Never leave a box uncovered.
- Switches or receptacles may be installed into square or octagon boxes by using covers with cutouts;
- Octagon or round covers are used for mounting light fixtures;
- Raised 4” square covers are used for mounting switches or receptacles;
- Flat round closure plates (5”) are designed for use in dry locations to close unused ceiling outlets.