Fasteners and fixing systems

Telescoping bracket and box brackets

With an auto-height adjustment, the BBT-HF telescoping bracket is quick and easy to install. Plus, the BBA and BBA-4 box mounting bracket snaps onto it.

Telescoping bracket and box mounting brackets

Eaton's B-Line series telescoping bracket and box mounting brackets help speed installation and reduce complexity on the job site.

BBT-HF Telescoping bracket

With an auto-height adjustment, the rigid BBT-HF telescoping bracket is quick and easy to install.

Simply slide the bracket to the width required and snap both ends of the bracket to the stud and secure with screws.

Features

BBT-HF Hands free snap to stud for 1 1/4" through 1 3/8'' wide studs
BBT-HF Auto-ADA feature
All parts (BBA, BBA-4, and BBT-HF) work with 4", 4 11/16", and 5" electrical boxes
BBA and BBA-4 work with standard mud rings, adjustable mud rings, and Eaton's Rapid Ring self-adjusting pre-fab ring
BBA-4 includes built in backside support extender for stud depths up to 6"

BBA box mounting bracket and BBA-4 box mounting bracket with support flange

The BBA and BBA-4 box mounting bracket easily snaps onto the BBT-HF bracket and accepts 4”, 4-11/16” and 5” box sizes.

Features

Marty Mouse ears to retain the box when plaster ring is removed
Rabbit Ears to attach a plaster ring for data devices without using a box
Accepts 4”, 4-11/16” and 5” box sizes
Built-in, snap off back support extension for studs from 2.5” to 6” studs
No need to measure box heights – features interlocking brackets to easily and quickly mount boxes side-by-side
Faster daisy chain boxes; two brackets mount to the same side of the stud
Works with standard mud rings and Eaton’s Rapid Ring self-adjusting pre-fab ring
UL Listed for U.S. and Canada; CSA certified

The BBT-HF telescoping bracket BBA and BBA-4 box mounting bracket are also available as a prefabricated solution. For more information on our Pre-Formance prefab solutions, visit Eaton.com/pre-formance.

Telescoping bracket with box mounting brackets installed

Telescoping bracket No need to measure box heights with interlocking brackets

Telescoping bracket with box mounting brackets installed Faster daisy chain boxes

Box mounting brackets One SKU mounts multiple box sizes - fewer parts to handle on the job-site

The BBT-HF telescoping bracket BBA and BBA-4 box mounting bracket are also available as a prefabricated solution

Key takeaways

Telescoping bracket and box mounting brackets flyer

BBT-HF hands-free telescoping box mounting bracket instruction sheet

Additional resources

View our full product portfolio

For a full line of B-Line series stud mounting brackets and other fasteners, visit Eaton.com/fasteners.

How to buy

Locate an Eaton sales and service office.

Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.

Telescoping bracket and box brackets

Telescoping bracket and box mounting brackets

BBT-HF Telescoping bracket

BBA box mounting bracket and BBA-4 box mounting bracket with support flange

Telescoping bracket and box mounting brackets

Telescoping bracket and box mounting brackets flyer

BBT-HF hands-free telescoping box mounting bracket instruction sheet

Additional resources

Let's talk big ideas