Solid and Gangable Masonry Boxes
Works With All Types of Masonry for Power and Low Voltage Installations
GI-TB-125
What's special about these outlet boxes?
- These electrical boxes are used to mount switches, plugs, and receptacles in concrete, glass, brick, and other types of masonry
- Choose between a solid build for fast installation, or gangable to prepare for expansion
- Each box contains several 1/2" to 3/4" knockouts to guarantee conduit access from any angle
- Click for More Features
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These Masonry Boxes are designed to provide the strength and flexibility you need to install power and data options into masonry. These durable 2.5" to 3.5" deep electrical boxes are available up to 10 gangs, in both solid and gangable styles. Solid boxes speed up installation times for jobs that won't require any future changes, and gangable boxes are ideal for applications that may change unexpectedly in the field.
3-1/2" Deep Boxes | 2-1/2" Deep Extension Rings | 3-1/2" Deep Extension Rings | Accessories
| 2-1/2" Deep Boxes | |||||
|---|---|---|---|---|---|
| Part # | Image | Drawing | Gang(S) | Build | Price |
| GI-TB-125 |  |
Solid Drawing Dimensions - PDF | 1 | Solid | Manufacturer Direct
|
| GI-TB-225 |  |
Solid Drawing Dimensions - PDF
Gangable Drawing Dimensions - PDF |
2 | Solid | Quick Ship
|
| GI-TB-425 |  |
Solid Drawing Dimensions - PDF
Gangable Drawing Dimensions - PDF |
4 | Solid | Manufacturer Direct
|
| GI-TB-625 |  |
Gangable Drawing Dimensions - PDF | 6 | Solid | Quick Ship
|
| 3-1/2" Deep Boxes | |||||
|---|---|---|---|---|---|
| Part # | Image | Drawing | Gang(S) | Build | Price |
| GI-TB-135 |  |
Solid Drawing Dimensions - PDF
Gangable Drawing Dimensions - PDF |
1 | Solid or Gangable | Manufacturer Direct
|
| GI-TB-235 |  |
Solid Drawing Dimensions - PDF
Gangable Drawing Dimensions - PDF |
2 | Solid or Gangable | Manufacturer Direct
|
| GI-TB-535 |  |
Solid Drawing Dimensions - PDF
Gangable Drawing Dimensions - PDF |
5 | Solid or Gangable | Manufacturer Direct
|
| GI-TB-635 |  |
Solid Drawing Dimensions - PDF
Gangable Drawing Dimensions - PDF |
6 | Solid or Gangable | Manufacturer Direct
|
| 2-1/2" Deep Extension Rings | ||||
|---|---|---|---|---|
| Part # | Image | Drawing | Gang(S) | Price |
| GI-TBX-125 |  |
Drawing Dimensions - PDF | 1 | Manufacturer Direct
|
| GI-TBX-225 |  |
Drawing Dimensions - PDF | 2 | Manufacturer Direct
|
| GI-TBX-325 |  |
Drawing Dimensions - PDF | 3 | Quick Ship
|
| GI-TBX-425 |  |
Drawing Dimensions - PDF | 4 | Manufacturer Direct
|
| GI-TBX-525 |  |
— | 5 | Manufacturer Direct
|
| GI-TBX-625 |  |
— | 6 | Manufacturer Direct
|
| 3-1/2" Deep Extension Rings | ||||
|---|---|---|---|---|
| Part # | Image | Drawing | Gang(S) | Price |
| GI-TBX-135 |  |
— | 1 | Manufacturer Direct
|
| GI-TBX-335 |  |
— | 3 | Manufacturer Direct
|
| GI-TBX-435 |  |
— | 4 | Manufacturer Direct
|
| Accessories | ||||
|---|---|---|---|---|
| Part # | Image | Description | Drawing | Price |
| GI-TBD-250 |  |
Device Partition for 2-1/2" Deep Masonry Box | Drawing Dimensions - PDF | Quick Ship
|
| GI-TBD-350 |  |
Device Partition for 3-1/2" Deep Masonry Box | Drawing Dimensions - PDF | Quick Ship
|
- Solid: One-piece construction, standard boxes for jobs that will not change, available up to 6 gangs.
- Gangable: Each gang is made with removable sides for the addition of more gangs, allowing you to daisy-chain an infinite number of boxes for custom installations.
| PROPERTY | VALUE |
| Material | G60 Galvanized Steel |
|---|---|
| Material Gauge | 0.0625" (1.587 mm) |
| Gangs | Solid: 1 to 10 Gangable: 1 to 7 |
| Industry Standards | UL E22445 |
| Gangs | Knockouts | |||
| Bottom | Top | Rear | Sides (L+R) | |
| 1 | 1 | 1 | 2 | 4 |
| 2 | 2 | 2 | 4 | 4 |
| 3 | 3 | 3 | 6 | 4 |
| 4 | 4 | 4 | 8 | 4 |
| 5 | 5 | 5 | 10 | 4 |
| 6 | 6 | 6 | 12 | 4 |
| 7 | 7 | 7 | 14 | 4 |
| 8 | 8 | 8 | 16 | 4 |
| 9 | 9 | 9 | 18 | 4 |
| 10 | 10 | 10 | 20 | 4 |
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