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US Electrification
T&B Liquidtight Systems
Industrial Solutions

T&B Liquidtight Systems

T&B Liquidtight Systems® is a complete solution for flexible metallic cable protection. Thomas & Betts (T&B), a division of ABB, has been a market leader in flexible metallic liquid-tight conduits, fittings and accessories for many years in North America. The ABB T&B Liquidtight Systems flexible metallic conduit system covers a broad product range for general purpose, oil resistant, wide or extreme temperature, and aluminum applications.


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T&B Liquidtight systems® provides industrial solutions for Flexible Metallic Conduit (FMC) Protection Systems across a wide variety of application requirements.  The T&B Liquidtight systems®  offers high quality flexible metallic conduits and seal gaskets with system ingress protection to UL 50/50E, CSA  C22.2 and IEC 60529 IP ratings.   T&B Liquidtight systems® can be used in indoor or outdoor installations to switchgear electrical enclosures, control cabinets, pushbutton stations, motor junction boxes and more.



T&B Liquidtight Systems® Flexible metallic conduits
T&B Liquidtight Systems® Metallic fittings
T&B Liquidtight Systems® Accessories



  • Global approvals and certifications including UL, CSA, IEC/EN, CE, RoHS
  • Widest range of trade sizes in the industry from 3/8” to 6” (12mm to 155mm)
  • Highest quality liquid tight fittings including steel/malleable iron, aluminum, stainless steel, high temperature, brass nickel plated and push-in variants
  • Flexible metallic conduits with the highest quality cores and smooth extruded jackets
  • Protection from corrosion, oils, chemicals, solvents, water hose down, UV, low smoke & toxicity environments
  • System Ingress ratings per UL50/50E, CSA and IEC IP, matching enclosure system ingress ratings
  • Complete global technical documentation and time saving selection tools

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