Knockouts: This electrical box is designed for multiple purposes with ten 1/2 inch knockouts and six 3/4 inch knockouts.
High Quality: This electric box is made of high-quality material to ensure durability, effectively prevent rusting.
Dimension: The capacity of this 4-inch square electrical box is 21.0 cubic inches. It is 4 inches square and has a depth of 1-1/2 inches. The trade size of the box is 2-gang, and a single toggle switch cover can only accommodate 1-gang.
Application: This 4 inch electrical box is designed to enclose wire connections, sockets, or switches. Ideal choice for exposing working applications.
Package Include: 12 * 4" Square Electrical Box. If you have any problem, please contact us through email on without hesitation, we will reply you within 24 hours.