Deep 1 1/2 Inch Welded Handy Box Extension Ring 4 By 2 Inch Adds Extra Space With Eight Half Inch Knockouts 11.5 Cu In Capacity Fire Rated Wall Ready Electrical Box Accessory

Welded 4x2x1-1/2 in Handy Box Extension Ring, 11.5 cu in
✔️ Adds 11.5 cu in capacity, eight 1/2 in knockouts, single unit

This welded box extension ring adds extra cubic capacity to standard handy boxes and is typically used in wall-mount and recessed electrical installs. It matches 4x2 inch handy boxes and provides eight 1/2 inch knockouts for flexible wiring. It is suitable for use in 2-hour fire rated walls.

✅ Welded construction for durability
✅ 4 in x 2 in footprint with 1-1/2 in depth
✅ Eight 1/2 in knockouts for wiring options
✅ 11.5 cu in capacity for extra space
✅ Suitable for 2 hour fire rated wall installations

💡 What is a handy box extension ring used for in electrical installs?

It adds cubic capacity to standard handy boxes and helps meet code requirements when extra space is needed in wall runs.

- Increases space for wiring and devices in dry walls - Fits 4x2 inch handy boxes and supports eight knockouts - Welded design provides durability in wall cavities - Works with 2 hour fire rated walls when installed per code