Kwikon® Fittings

Kwikon® Electrical Fittings, Slab Boxes and accessories save contractors time and money with their unique locking tab design

  • Concrete-tight, requiring no solvent welding or tape around the connections
  • Unique six locking tab design has a pull-out resistance of up to 175 lbs
  • Approved for noncombustible 2 hr & 4 hr fire-rated floor/ceiling assemblies

Noncorroding and nonconducting, Kwikon® Fittings are engineered for the rugged day-to-day challenges of the construction industry - whether encased in concrete or concealed in walls or ceilings. Kwikon® couplings and connectors, with their unique 360º locking tabs, provide for snap-on, lock-in installation that exceeds CSA and UL requirements for conduit pullout. Add our innovative form stubbys and Kwikon® concrete-tight slab boxes, (available with or without integral 1⁄2", 3⁄4" or 1" molded hub connectors) and you've got a total integrated system that saves you time and money on the job.



Available in 1⁄2" to 2" sizes


Residential (low or high rise)

Commercial (low or high rise)

Institutional (Prisons, Schools, Universities)

Hospitals and Nursing Homes

Stadiums and Arenas



Molded Fittings:

CSA Standards C22.2 No. 227.1

UL 514B

Molded Slab Boxes:

CSA C22.2 No.18

CSA C22.2 No.85

CSA C22.2 No.227.1

CSA C22.2 No.227.2

UL 514C, 1660

FT-4 rated for use in non-combustible construction



1.1 References

  1. Standards referred to in this section are:
  2. UL 1653 Electrical Nonmetallic Tubing.
  3. NEMA TC-13 Electrical Nonmetallic Tubing.


2.1 Manufacturers

  1. Acceptable manufacturers are listed below
  2. Electrical Nonmetallic Tubing: a. Kwikon by IPEX
  3. Electrical Nonmetallic Tubing Fittings: a. Kwikon by IPEX
  4. Electrical Nonmetallic Tubing Boxes: a. Kwikon by IPEX
  5. All ENT tubing, ENT fittings, ENT boxes and accessories shall be manufactured by the same company so as to form a complete ENT system.
  6. ENT systems shall be approved for use in fire resistance rated concrete floor-ceiling assemblies with fire resistance ratings up to 4 hours.

2.2 Raceways

  1. ENT raceway shall be color coded to indicate the wiring system. Blue stripe for power, red stripe for fire alarm/emergency systems and yellow stripe for data/communications.
  2. ENT raceway shall be listed to UL 1653 and manufactured in accordance with NEMA TC-13.

2.3 Fittings

  1. ENT Fittings shall be manufactured of high-impact PVC,
  2. ENT Fittings shall meet the following requirements:
  3. Six locking tabs located every 60º providing 360º contact.
  4. Locking tabs shall provide a conduit pullout of a minimum 175 ft-lb force.
  5. Concrete tight without the need for taping.
  6. When transitioning to EMT conduit, the transition fitting shall have six locking tabs for ENT connection and set-screw connection for EMT.

2.4 Boxes

  1. ENT boxes shall be manufactured of high-impact PVC,
  2. ENT Slab Box and Wall Box requirements:
  3. Slab Boxes shall be approved for the purpose and concrete-tight.
  4. Round Slab Boxes shall be approved for use with luminaires up to 50 lbs and ceiling fans up to 35 lbs.
  5. Round Slab Boxes shall have threaded brass inserts for the attachment of luminaires or ceiling fans.
  6. Slab Boxes shall have eight (8) integrally molded ENT hub connectors with six locking tabs for ENT raceway connection.


3.1 Installation

  1. ENT raceways, fittings, boxes and accessories shall be installed in accordance with Article 362 of the 2014 National Electrical Code.
  2. Where ENT penetrates a fire-rated wall, floor or ceiling assembly, an approved firestop system as listed in Underwriters Laboratories Building Materials Directory or other nationally recognized testing laboratory shall be used.
  3. Not permitted for use where subject to ambient temperatures in excess of 122ºF (50ºC).