Product detailed description:
1. product model: 200x200x100
2. External dimension: 8"Sqaure, 4"DEPTH
3. product available in mixed 1/2" and 3/4" KOs holes
4. Material: made of galvanized steel sheet
5. Accommadate wiring devices, such as switches and receptacles
6. Must be closed with a vover, light fixture system or wall plate
7. These oversized handy utility boxes are popular for surface-mounted wiring.
It is installed in wall and ceiling for switches, devices etc.