Pre-fabricated assemblies

Whether you run your own pre-fab shop or simply want maximum project control, Eaton’s basic Ruff-IN prefabricated assemblies can provide a profitable solution that perfectly suits your operation.

Keep control of your project, keep your crew working and garner the cost- and time-saving benefits of pre-fab with basic Ruff-IN assemblies.

Basic Ruff-IN electrical prefabrication solutions

Pre-assembled components make installation faster and easier
UL-approved assemblies
Innovative, versatile design that drive time savings
Many tool-less installation products

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View the B-Line series fastener catalog

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Faster, less complex installs with basic
Ruff-IN assemblies

Eaton offers a wide variety of B-Line series basic rough in assembly options that help minimize on-site installation complexity and errors.

View the specification page or Ruff-IN catalog for more information.

Rung rings around the competition

Win tight bids and beat the profit squeeze with our revolutionary Rapid Ring self-adjusting pre-fab ring. Installing in as little as 15 seconds with 4 easy steps, Rapid Ring can compress your project schedule, yield significant time savings and help you increase your profits.

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Rough in prefabricated assemblies

For a complete list of Ruff-IN prefab assembly offering and specifications, view or download the Ruff-IN catalog or the B-Line series fastener catalog.

BB2TSC prefab assembly options

Box assembly comes with box mounting clip attached
Boxes can be field mounted, in the proper location, to telescoping brackets (purchased separately) by snapping the mounting clip on back of box assembly) over the installed bracket
Increased strength and rigidity help withstand the stress of drywall installation
Assemblies shipped with box installed on left side of bracket unless otherwise specified
Assembly numbers:
- BB2TSC-1104DA
  - BB2TSC 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, 5/8” plaster ring, box mounting clip
- BB2TSC-1204DA
  - BB2TSC 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, 1-1/4” plaster ring, box mounting clip
- BB2TSC-1AJ4DA
  - BB2TSC 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, adjustable plaster ring, box mounting clip
- BB2TSC-1RR4DA
  - BB2TSC 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, Rapid Ring self-adjusting pre-fab ring, box mounting clip
- BB2TSC-2104DA
  - BB2TSC 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, 5/8” plaster ring, box mounting clip
- BB2TSC-2204DA
  - BB2TSC 4” square, 1-1/4” deep box with stranded ground box plus 2 gang, 5/8” plaster ring, box mounting clip
- BB2TSC-2AJ4DA
  - BB2TSC 4” square, 1-1/4” deep box with stranded ground box plus 2 gang, 5/8” plaster ring, box mounting clip
- BB2TSC-2RR5DA
  - BB2TSC 4” square, 1-1/4” deep box with stranded ground box plus 2 gang, Rapid Ring self-adjusting pre-fab ring, box mounting clip

BB2TSC-1AJ4DA assembly

BB2TSC-1104DA assembly

BB2TSC-2204DA assembly

BB816 prefab assembly options

Increased strength and rigidity helps withstand the stress of stress of drywall installation
Assemblies shipped with box installed on left side of bracket, as shown below, unless otherwise specified
Assembly numbers:
- BB816-104DA-1-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, 5/8” plaster ring
- BB816-204DA-1-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, 1-1/4” plaster ring
- BB816-AJ4DA-1-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, adjustable plaster ring
- BB816-RR4DA-1-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, Rapid Ring self-adjusting pre-fab ring
- BB816-104DA-2-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, 5/8” plaster ring
- BB816-204DA-2-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, 1-1/4” plaster ring
- BB816-AJ4DA-2-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, adjustable plaster ring
- BB816-RR5DA-2-X-X
  - BB816 16” 3-hole box position bracket, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, Rapid Ring self-adjusting pre-fab ring

BB816-104DA assembly

BB816-RR5DA assembly

BB816-AJ4DA assembly

BB716 prefab assembly options

Increased strength and rigidity helps withstand the stress of drywall installation
Assemblies shipped with box installed on left side of bracket unless otherwise specified
Assemblies include BB7AP alignment plate for easy adjustment of box location
Assembly numbers:
- BB716-104DA-1-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, 5/8” plaster ring, BB7AP alignment plate
- BB716-204DA-1-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, 1-1/4” plaster ring, BB7AP alignment plate
- BB716-AJ4DA-1-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, adjustable plaster ring, BB7AP alignment plate
- BB716-RR4DA-1-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, Rapid Ring self-adjusting prefab ring, BB7AP alignment plate
- BB716-104DA-2-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, 5/8” plaster ring, BB7AP alignment plate
- BB716-204DA-2-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang, 1-1/4” plaster ring, BB7AP alignment plate
- BB716-AJ4DA-2-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, adjustable plaster ring, BB7AP alignment plate
- BB716-RR5DA-2-X-X
  - BB716 16” open box mounting bracket, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang, Rapid Ring self-adjusting prefab ring, BB7AP alignment plate

BB716-204DA-1-x-x single gang box assembly

BB716-RR4DA-1-x-x single gang box assembly

BB716-204-DA-2-x-x double-gang box assembly

BB70 prefab assembly options

Interlocking wrap-around design provides extra rigidity
Bracket pre-assembled at 3-5/8”; back tabs can be folded out for 4”
Purchase BB70E as add-on for 5-1/2” and 6” stud spacing options
Multiple brackets can be ganged together
Assembly numbers:
- BB70-358-1104DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang 5/8” plaster ring
- BB70-358-1204DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang 1-1/4” plaster ring
- BB70-358-1AJ4DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang adjustable plaster ring
- BB70-358-1RR4DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 1 gang Rapid Ring self-adjusting prefab ring
- BB70-358-2104DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang 5/8” plaster ring
- BB70-358-2204DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang 1-1/4” plaster ring
- BB70-358-2AJ4DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang adjustable plaster ring
- BB70-358-2RR5DA
  - BB70 stud mount bracket 3-5/8” depth, 4” square, 2-1/8” deep box with stranded ground box plus 2 gang Rapid Ring self-adjusting prefab ring