Hubbell 54561 Concrete Ring Box 4 Inch, 42 Cu. In. Capacity, 3-1/2 Inch Deep, Steel, CSA Certified

Designed for high-rise construction, this robust concrete ring box from Hubbell combines durability with practicality. With a capacity of 42 cubic inches and a depth of 3-1/2 inches, it features a rugged steel construction that ensures long-lasting performance. The innovative design includes flat sides for secure contact with locknuts, external ears for easy nailing to wooden forms, and waxed fixture ears that prevent concrete from interfering with installation threads. Certified by CSA, this box is ideal for use with poured decks, providing a reliable solution for electrical installations in demanding environments.