Eaton's B-Line series BBT-HF and BBT-WF telescoping bracket and BBA, BBA-2 and BBA-4 box mounting brackets help speed installation and reduce complexity on the jobsite.
The BBT-HF and the BBT-WF bracket’s auto-height adjustment feature helps quickly ensure the correct height every time and accepts 4”, 4-11/16” and 5” boxes.
- Auto-height adjustment, the rigid telescoping bracket is quick and easy to install
- BBT-HF simply snap onto stud and secure with screws; for use on 1-1/4" through 1-3/8'' wide studs and secures with screws
- BBT-WF is ideal for wide flange (structural style) studs and secures with screws
- Works with 4", 4 11/16", and 5" electrical boxes
- UL Listed for U.S. and Canada; CSA certified
The new BBA, BBA-2 and BBA-4 box mounting brackets work with the BBT-HF to allow for additional time savings. The BBA-2 and BBA-4 can be utilized as a stand-alone mounting bracket, with backside support up to 6” stud depth.
With the introduction of the BBT-TG ceiling clips, the popular BBT-WF telescoping bracket can be used for t-grid ceiling applications, helping reduce the number of SKUs required for both wall and ceiling installations.
The BBT-TG clips easily install onto the BBT-WF with two screws. Then, a BBA or the BBA-4 alignment bracket can be attached to the BBT-WF for a rigid and reliable support for fire alarm boxes, nurse call buttons, lighting controls and more, in a ceiling application.
- Wide support prevents bracket from rocking, and rigidity of BBT-WF reduces pressure on the ceiling tile
- Sheet metal screw location and loophole for support drop wire aids compliance with NEC 314.23 (D)
- Install multiple boxes into the same ceiling tile
- Available for field or prefab shop assembly or preassembled on a BBT-WF bracket with box and cover preinstalled.

