Ceiling thickness is not always known at rough-in, and a box set for single drywall ends up buried under a second layer. The Arlington FA426GC IN/OUT™ adjustable ceiling box mounts to the joist in new construction, then its depth adjusts from 1/2 in to 1-1/2 in before or after the ceiling goes up. It is a non-metallic, 20.7 cu in box for light fixtures only, listed for fixtures up to 50 lb, and this GC version adds a grounding clip.
Why electricians pick it
- Depth adjusts from 1/2 in to 1-1/2 in with an always-accessible screw, so single or double drywall finishes flush.
- Listed for fixture support up to 50 lb; Arlington's rating chart shows the same 50 lb figure for both UL and CSA.
- Arlington lists a 2-hour fire rating for the box.
- Ships with an NM94 cable connector, grounding clip and four #6 x 1-5/8 in screws.
- Packed by Arlington in cartons of 25 for production framing.
Specifications
| Spec |
Detail |
| Brand |
Arlington Industries |
| Model |
FA426GC (FA426 with grounding clip) |
| Type |
Adjustable non-metallic ceiling box for fixtures (not fan-rated) |
| Volume |
20.7 cu in |
| Depth adjustment |
1/2 in to 1-1/2 in |
| Fixture load rating |
50 lb (UL and CSA); no fan rating |
| Fire rating |
2-hour (per Arlington) |
| Material |
Plastic, black |
| Size (H x W) |
4.0 x 4.8 in |
| Arlington pack |
25 pcs |
Pro tip from the counter
Arlington gives this box a fixture rating only, so it is not a ceiling fan box. If there is any chance the owner adds a fan later (bedrooms and living rooms especially), rough in a fan-rated box now, because swapping a box through a finished ceiling costs far more than the upgrade.
Best for: new-construction ceiling light locations, homes finished with double drywall, contractors framing to uncertain ceiling build-ups, fire-rated ceiling assemblies
Downloads: Spec sheet (PDF)
Shipped Canada-wide from our Vaughan, ON location. Contractors can get trade pricing through a quote or at (905) 553-7171.