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UL - 1653 BULLETIN

UL Standard for Safety Electrical Nonmetallic Tubing

active, Most Current
Organization: UL
Publication Date: 11 May 2018
Status: active
Page Count: 24
scope:

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 (CEC) and, 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.

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.

This Standard does not apply to fittings that are intended to be joined by solvent cement. Solvent-attached fittings are covered by UL 651 or CSA C22.2 No. 211.2. Solvent-attached fittings integral with an outlet or flush device box are covered by UL 514C or CAN/CSA-C22.2 No. 85.

For products intended for use in Canada, general requirements are given in CSA-C22.2 No. 0.

Document History

1653 BULLETIN
May 11, 2018
UL Standard for Safety Electrical Nonmetallic Tubing
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 (CEC) and, NFPA 70,...
August 11, 2017
UL Standard for Safety Electrical Nonmetallic Tubing
A description is not available for this item.
August 8, 2014
UL Standard for Safety Electrical Nonmetallic Tubing
A description is not available for this item.
April 11, 2014
UL Standard for Safety Electrical Nonmetallic Tubing
A description is not available for this item.
August 27, 2010
UL Standard for Safety Electrical Nonmetallic Tubing
A description is not available for this item.
November 18, 2005
UL Standard for Safety Electrical Nonmetallic Tubing
A description is not available for this item.
February 28, 2002
UL Standard for Safety Electrical Nonmetallic Tubing
A description is not available for this item.

References

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