Carlon Electrical Non-metallic Tubing (ENT) System
Sustainably produced and extensively tested, ABB Installation Products’ Carlon® electrical non-metallic tubing (ENT) offers a highly reliable and efficient raceway system designed to meet the demands of modern construction projects. Known for its lightweight, flexible, and durable nature, Carlon ENT provides an ideal solution for a variety of applications, including walls, floors, and non-plenum ceilings. Its robust construction ensures long-lasting performance, while its flexibility allows for easy installation and adaptability in diverse environments. With a strong focus on sustainability, Carlon ENT is engineered to deliver exceptional value while minimizing environmental impact.

Features and benefits
- Free from sharp edges to reduce installation time and lower costs
- Conductors easily push through the raceway (up to 50 feet)
- Will not rust or conduct current with metal-free design
- Extensively tested to meet code, UL listed
Products
NEW Carlon® electrical non-metallic tubing (ENT) two-piece fittings

Stronger than ever, ABB’s new polycarbonate two-piece ENT fittings are designed to make your job easier. By reimagining traditional fitting designs, the Carlon® ENT two-piece fittings feature an eight-tab snap for reduced insertion force and enhanced pull-out resistance.
- Innovative, improved two-piece design
- Available in ½”, ¾” and 1” sizes
- Easy to install, promoting labor and time savings
- Over 200 lb. pull-out force
- No taping or PVC cement is required, thanks to the concrete-tight design
- Strong polycarbonate material
- Freely rotating pieces prevent kinks — excellent for use in long ENT runs
- Ideal for poured-in-place concrete applications, such as condos, residential buildings, hotels and parking decks
Electrical non-metallic tubing

- Flex-Plus® lightweight and hand-bendable ENT
- Colors can designate different voltages like communication, fire alarm and power circuits
- Sizes ½” to 2”
Boxes and accessories

- Outlet and switch boxes with eccentric knockouts to enable selective ENT openings
- 2-piece Quick Connect couplings, threaded terminal adapters and snap-in terminal adapters for ENT conduits
- Stub down transition adaptors prevent the ENT from slipping or pulling out
- Mud box assemblies are available in blank, ceiling ring, one-gang, two-gang and 4-inch square
- ENT bridge supports long runs in concrete pour applications
- ENT Box with adapters for 2-hour-or-less fire-resistant wall assemblies
Flexible raceway systems

- Plenum-Gard® Raceway is resistant to abrasion and mechanical damage before and after cable installation
- Riser-Gard® Raceway is available with tape pre-installed
Ratings
Plenum-Gard and Riser-Gard are listed to UL® 2024 in accordance with the National Electrical Code for plenum, riser, general purpose and other cabling/optical fiber, telecommunication applications as defined in Articles 725, 770, 800 and 820.
Carlon® Blue™ helping make homes green
ABB takes a circular approach to production to reduce environmental impact and preserve the Earth’s resources for future generations. With 100% recyclable packaging, we further address the volume of plastic waste and have reduced packaging by 100,000 pounds per year.
Be confident using authentic Carlon Blue™ electrical solutions, which are extensively tested to meet code and deliver reliable and safe power. Look for Carlon® branded electrical boxes, fittings and accessories at retailers and electrical distributors.