An extra-deep wall box is 22 cubic inches or larger. Leviton also offers a shallow wall box extender that may be recommended if an extra-deep wall box is not an option; SKU 6197.
An extra-deep wall box is 22 cubic inches or larger. Leviton also offers a shallow wall box extender that may be recommended if an extra-deep wall box is not an option; SKU 6197.