Electrical Nonmetallic Tubing

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• General Info

  Electrical Nonmetallic Tubing (ENT) is a flexible, corrugated plastic conduit designed to protect and route electrical wiring in residential, commercial, and institutional buildings. Made from flame-retardant, moisture-resistant PVC, ENT is lightweight, easy to cut, and can be installed quickly—often without the need for special tools or glue. It is ideal for use in concrete slabs, walls, and ceilings, especially in areas that require bendable, corrosion-resistant, and non-metallic wiring protection. ENT is compatible with standard fittings and meets key safety standards for indoor applications.

• Sizes:

  Common ENT Sizes (Trade Size—Outside Diameter):
  ½ inch – 16.6 mm (OD)
  ¾ inch – 21.2 mm (OD)
  1 inch—26.6 mm (OD)
  1¼ inch – 35.1 mm (OD)
  1½ inch – 40.9 mm (OD)
  2 inch—52.5 mm (OD)