ABB - Installation Products B121BFSS - Single Gang Adjustable Residential Floor Box, 20 Cubic Inches, Cover Stainless Steel, Non-Metallic, Tamper Resistant Duplex Receptacle
ABB - Installation Products

B121BFSS

UPC: 034481215196


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Minimum Qty: 8

Multiplier: 8

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Overview

The ABB B121BFSS Single Gang Adjustable Residential Floor Box provides a secure, low-profile electrical installation solution for residential and light commercial applications. This floor box kit includes a 20 cubic inch non-metallic adjustable floor box, a stainless steel cover with ground lug and wire, a tamper-resistant duplex receptacle, molded cable clamps, and all mounting hardware. The stainless steel cover ensures durability and a professional finish, resisting wear and environmental factors while meeting UL scrubwater requirements for wood, tile, and carpet installations. Designed for versatility, the B121BFSS adjusts to most finished floor heights, eliminating the need for extension cords in home offices, entertainment rooms, and other high-traffic areas. The kit is suitable for both new construction and existing installations, mounting securely to joists or subfloors. The non-metallic construction prevents corrosion and electrical interference, ensuring long-term reliability in diverse flooring environments. Key features include a 20 cubic inch capacity for ample wiring and component space, integral non-metallic sheathed cable clamps for secure cable management, and a tamper-resistant duplex receptacle for enhanced safety in homes with children. The floor box is packaged as a complete kit, providing everything needed for a flush, aesthetically pleasing installation.
  • 20 cubic inch non-metallic adjustable floor box
  • Stainless steel cover with ground lug and wire
  • Tamper-resistant duplex receptacle for safety
  • Molded cable clamps for secure wiring
  • Adjustable design fits most finished floor heights

Specifications

Application
Ideal for residential and home office applications
Color
Silver
Cubic Capacity
20 in3
Cubic Capacity
327742 mm3
Knockouts
False
Knockouts
0
Material
Non-Metallic/Stainless Steel
Material
Non-Metallic;Stainless Steel
Material
Stainless steel, Non-metallic
Mounting Type
Adjustable Residential Floor Box
Series
B
Size
20 Cubic Inches
Special Features
Kit includes box, cover, duplex receptacle, new and old work brackets, green ground screw and mounting hardware
Type
Residential, Wood Sub-Floors-Adjust-A-Box
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
1.750 L
Package Weight (Metric)
0.794 kg
Cover Plate for Multi-Gang Floor Boxes for Power and Communications, Length 4-1/2 Inches, Width 3 Inches, 1/2 Inch and 2 Inch UN Plug, Aluminum

P 64 1/2 2 AL

Cover Plate for Multi-Gang Floor Boxes for Power and Communications, Length 4-1/2 Inches, Width 3 Inches, 1/2 Inch and 2 Inch UN Plug, Aluminum
Two-Door Floorstand White Inside Type 12, 60.06x48.06x10.06, Gray, Steel

A604810LP

Two-Door Floorstand White Inside Type 12, 60.06x48.06x10.06, Gray, Steel
Single Gang Rectangular Floor Box, 97.4 Cubic Inches, Hub Size 1 Inche, Reducer Plugs 1/2 Inch and 3/4 Inch, Length 5.50 Inches x Width 3.25 Inches x Depth 6 Inches, Non-Metallic

E976RFB

Single Gang Rectangular Floor Box, 97.4 Cubic Inches, Hub Size 1 Inche, Reducer Plugs 1/2 Inch and 3/4 Inch, Length 5.50 Inches x Width 3.25 Inches x Depth 6 Inches, Non-Metallic
Two Door Cover for Dual Service Round Floor Box, Brass, For use with Duplex Devices and Two Data Ports, Divider Kit Included

E97BR2D

Two Door Cover for Dual Service Round Floor Box, Brass, For use with Duplex Devices and Two Data Ports, Divider Kit Included
Recessed Service Floor Box Cover Kit, Accepts Duplex Receptacles GFI Receptacles and 2 Port Keystone Data Plate, Beige, Non-Metallic, For use with Flush Service Floor Box, 100 Cubic Inches, Opening Diameter 5-5/32 Inches, Base Diameter 6-3/8 Inches, Depth 6 Inches, 3/4 Inch and 1 Inch Conduit Tapping, Plastic, For Power or Communications/Data and Wood Sub-Floor and Raised Floor Applications

68R-CST-BGE

Recessed Service Floor Box Cover Kit, Accepts Duplex Receptacles GFI Receptacles and 2 Port Keystone Data Plate, Beige, Non-Metallic, For use with Flush Service Floor Box, 100 Cubic Inches, Opening Diameter 5-5/32 Inches, Base Diameter 6-3/8 Inches, Depth 6 Inches, 3/4 Inch and 1 Inch Conduit Tapping, Plastic, For Power or Communications/Data and Wood Sub-Floor and Raised Floor Applications
Cover for Round Floor Box, Diameter 5.69 Inches, Color Caramel, Non-Metallic, For use with Duplex Devices

E97DSC

Cover for Round Floor Box, Diameter 5.69 Inches, Color Caramel, Non-Metallic, For use with Duplex Devices
Cover for Round Floor Box, Diameter 5.69 Inches, Color Ivory, Non-Metallic, For use with Duplex Devices

E97DSI

Cover for Round Floor Box, Diameter 5.69 Inches, Color Ivory, Non-Metallic, For use with Duplex Devices
Multi Service Divider Kit, For use with Non-Metallic Boxes

E973K

Multi Service Divider Kit, For use with Non-Metallic Boxes

How to Install the B121BFSS Adjustable Floor Box Kit

This guide provides step-by-step instructions for installing the B121BFSS Adjustable Floor Box Kit, ensuring a safe and secure electrical outlet installation.

Estimated time: 1h

Tools needed:

Screwdriver, Power screw gun, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Green grounding wire, Sealant

  1. Prepare the installation site

    Ensure the area is clear and safe. Disconnect power to the circuit where the floor box will be installed to avoid risk of shock.

  2. Install the new work bracket

    Use the provided template to cut a hole in the subfloor if necessary. Secure the new work bracket to the joist using the four #6x1-3/4” self-tapping screws supplied with the kit.

  3. Wire the receptacle

    Pull the romex wire through the desired clamp. Connect the ground wire to the ground lug on the receptacle and ensure all connections comply with the National Electrical Code.

  4. Mount the floor box

    Align the floor box in the bracket and adjust it to be flush with the floor surface. Use the adjusting screw to secure it in place.

  5. Install the stainless steel cover

    Place the stainless steel cover onto the box, ensuring the outlet caps are open. Secure it with the two #6-32x1” flat-head machine screws, tightening to a maximum of 6 to 8 inch pounds.

  6. Final adjustments and sealing

    Adjust the cover flange to be flush with the floor covering and insert the threaded plug to secure it. Apply sealant around the edges if necessary to prevent debris ingress.

  7. Test the installation

    Reconnect power to the circuit and use a multimeter to verify that the receptacle is functioning correctly and safely.

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