- To extend an existing 4 in. square box
- Mount with screws directly on the original box
$12.00 Original price was: $12.00.$8.40Current price is: $8.40.
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The Thomas & Betts® concentric knockout box is used for wire connections in junction box.
| Weight(lbs.) | 0.573 |
|---|---|
| Package Quantity | 1 |
| Maximum Weight Supported(kg) | 0.0 |
| Maximum Weight Supported(lbs.) | 0 |
| Mounting Type | In-wall |
| Number of Gangs | 0 |
| Number of Knockouts/Holes | 10 |
| Old or New Work | New work |
| Safety Listing | CSA safety listing |
| Low Voltage | No |
| Series Name | Extension rings |
| Sub Type | Standard |
| Sub-Brand | N/A |
| Type | Square |
| Use Location | Wall |
| Warranty | 1-year limited |
| Material | Steel |
| Knockout Size | 1/2-in |
| Weight(kg) | 0.2599128 |
| Assembled Width(cm) | 10.287 |
| Assembled Depth(cm) | 5.7658 |
| Assembled Depth(in) | 2.27 |
| Assembled Depth(mm) | 57.658 |
| Assembled Height(cm) | 10.2362 |
| Assembled Height(in) | 4.03 |
| Assembled Height(mm) | 102.362 |
| Assembled Width(in) | 4.05 |
| GFCI Receptacle Included | No |
| Assembled Width(mm) | 102.87 |
| Color/Finish Family | Silver |
| Construction Type | Drawn |
| Cover Included | No |
| File/Certification Number | 5043 |
| Fire Rating in Hours | N/A |
| Weatherproof | No |
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