Backboxes are manufactured to meet tight industry specifications. All have double knockouts to accommodate the most common sizes of conduit, 1/2″ and 3/4″. Most of our backboxes are constructed with durable 18 gauge galvanized material, providing a long product life and resistance to rust and oxidation.

• Backboxes fit most brand-name clock brands
• Flush mount available
• Double-sided clock backbox available