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Minimum Qty: 3
Multiplier: 3
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Overview
- 90 cubic inch internal capacity for multiple conduit entries
- 5.03" diameter x 5.40" depth with flush-mounted design
- Pre-installed 3/4" and 1" hubs with reducer plugs (1/2" to 3/4")
- Rigid PVC construction for corrosion and moisture resistance
- Compatible with concrete, carpet, tile, and wood flooring systems
Specifications
Application | Suitable for any on grade/below grade application, concrete or wood sub-floor construction approved |
Cable Entry | Hubs |
Color | Red |
Cubic Capacity | 90 in3 |
Knockouts | False |
Knockouts | 0 |
Material | PVC |
Mounting Type | Flush-Mounted |
Series | E971FBL |
Size | 90 Cubic Inches, 5.03 Inch Diameter, 5.40 Inch Depth |
Size | 90 cubic inches, 5.03" diameter, 5.40" depth |
Size | 90 cu in, 5.03" dia, 5.40" depth |
Special Features | Three way versatility for power, data, and communications |
Type | Round Floor Boxes, Covers & Accessories |
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) | 1.380 L |
Package Weight (Metric) | 0.626 kg |

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Recessed Three-Gang Poke Through, Cover Diameter 8 Inches, Core Drill Size 6 Inches, Depth 11-1/2 Inches, Knockout Size 1 Inch, Finish Black Powder Coated Aluminum, Box Material SteelHow to Install the E971FBL Non-Metallic Floor Box
This guide provides step-by-step instructions for installing the E971FBL non-metallic floor box in both concrete and wooden or metal joist constructions.
Estimated time: 1h
Tools needed:
Screwdriver, Handsaw, Drill, Safety glasses, Protective gloves
Supplies needed:
Solvent cement, Plastic caps, Cemented plugs, Mounting screws, Wooden 2" x 6" support
- Prepare the installation site
Establish the location of the floor box on the subfloor and cut a 5" round hole in the subfloor.
- Install the floor box
Insert the floor box through the hole in the subfloor to the desired height. Secure it using three (3) 16d nails for wooden joists or three (3) self-drilling screws for metal joists.
- Make electrical connections
Solvent weld electrical non-metallic tubing (ENT) into the hub of the floor box using Carlon® ENT cement. Seal unused openings with cemented plugs.
- Trim the floor box
After the cement has cured, remove the plastic cap and scribe a line around the floor box at the thickness of the flooring to be used. Cut off the floor box at the scribed line using a handsaw.
- Install the cover
Install the non-metallic mounting ring to the underside of the cover. Apply PVC cement to the outside diameter of the mounting ring only, then press the cover assembly into the floor box ensuring it is seated properly.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.
What accessories are available for Thomas and Betts products?
Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.
What environmental ratings do Thomas and Betts products have?
Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.
What communication protocols do Thomas and Betts products support?
Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.
What are the key features of Thomas and Betts products?
Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.
What are the main product lines offered by Thomas and Betts?
Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.
What technical support does Thomas and Betts offer?
Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.
What industries and applications are Thomas and Betts products used for?
Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.
What certifications and standards do Thomas and Betts products comply with?
Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.
What are the main product lines offered by Ocal?
Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.
