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About This Item

 

Full Description

Scope

1.1 This Standard applies to corrugated electrical nonmetallic tubing (ENT) and mechanically-attached fittings, for use in accordance with C22.1, Canadian Electrical Code, Part I (CE Code), NFPA 70, National Electrical Code (NEC) and NOM-001-SEDE, Standard for Electrical Installations (Mexico). These requirements also apply to mechanically-attached fittings integral with an outlet box.

1.2 Products covered by this Standard are intended for use:
a) at a maximum continuous operating temperature of 75°C (167°F);
b) at a maximum ambient temperature of 50°C (122°F);
c) in attics provided that the ENT is installed no higher than 900 mm (3 ft) above the bottom of the ceiling joist, and the ENT material is rated minimum 60°C (140°F); and
d) underground (direct burial), in Canada only.
 

Document History

  1. CSA C22.2 NO. 227.1:19

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    Electrical Nonmetallic Tubing (Bi-National standard, with UL 1653)

    • Most Recent
  2. CSA C22.2 NO. 227.1-06 (R2016)


    Electrical Nonmetallic Tubing (Bi-National standard, with UL 1653), Includes Update No. 1 (2007), Update No. 2 (2014)

    • Historical Version
  3. CAN/CSA C22.2 NO. 227.1-97 (R2002)


    Electrical Nonmetallic Tubing (Bi-National standard, with UL 1653)

    • Historical Version