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UL 1660

5th Edition, July 2, 2014

Complete Document

UL Standard for Safety Liquid-Tight Flexible Nonmetallic Conduit

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Detail Summary

Active, Most Current

Additional Comments:
SAME AS CSA C22.2 NO 227.2.1
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Product Details:

  • Revision: 5th Edition, July 2, 2014
  • Published Date: July 2, 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 38
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

These requirements cover liquid-tight flexible nonmetallic conduit in the 3/8 – 4 (12 – 103) trade sizes of Type LFNC-A (Layered), Type LFNC-B (Integral), and Type LFNC-C (Corrugated) constructions. The conduit is intended for installation in accordance with the National Electrical Code (NEC) and the Canadian Electrical Code (CEC), Part 1. The values in parentheses are metric trade designators of conduit.

Conduit covered by this Standard is intended for use in wet, dry, or oily locations at a maximum of 60°C (140°F), unless otherwise marked. (See Clause 6.)

Fittings for liquid-tight flexible nonmetallic conduit are covered in UL 514B or CSA C22.2 No. 18.3.