4" Deep Steel Octagon Concrete Box with 1/2" & 3/4" Side Knockouts

The 4" Steel Octagon Concrete Box – 4" Deep is designed for secure and reliable electrical installations in concrete structures. Constructed from 16-gauge sheet steel, this box offers exceptional durability and strength. The galvanized finish enhances corrosion resistance, ensuring long-lasting performance in various environments.

With (2) 1/2" knockouts on sides 1, 3, 5, 7 and (2) 3/4" knockouts on sides 2, 4, 6, 8, this box allows for flexible conduit entry and easy installation. The 4" depth provides a 49.2 cubic inch capacity, offering ample wiring space for complex electrical setups. Additionally, it is rated for fixture support of 50 lbs or less, making it ideal for lighting and junction applications.

Key Features:

• Material: 16 GA sheet steel for superior strength and durability
• Finish: Galvanized for corrosion resistance and longevity
• Depth: 4" for additional wiring capacity
• Knockouts (KOs):
  • Sides 1, 3, 5, 7: (2) 1/2" KOs each
  • Sides 2, 4, 6, 8: (2) 3/4" KOs each
• Capacity: 49.2 cubic inches for secure wiring connections
• Fixture Support: Rated for fixtures weighing 50 lbs or less
• Application: Ideal for electrical wiring in concrete installations, supporting lighting fixtures and junctions