This first edition of the Standard for Hardware for the Support of Conduit, Tubing, and Cable, UL 2239, is harmonized with CSA as a result of UL's Bulletins on this subject dated May 7, 2003 and December 10, 2003. The title page reflects the February 2, 2004 ANSI recognition of this new edition of the Standard.

1.1 These requirements cover hardware for the support of conduit, tubing, and cable, such as HANGERS, STAPLES, STRAPS, and similar devices for installation in accordance with the National Electrical Code, NFPA 70, and the Canadian Electrical Code (CEC), Part I.

1.2 These requirements also cover STANDOFFS for nonmetallic-sheathed cable and PROTECTOR PLATES.

1.3 These requirements do not cover hardware for use with surface raceway, wireway, or busway systems, sprinkler systems, and other piping systems used for fire protection service, hardware for use with lighting fixtures, or hardware for grounding and bonding applications.

1.4 These requirements do not cover:

a) Hardware intended to support boxes (see UL 514A or CSA C22.2 No. 18.1),

b) Conduit and cable fittings (see UL 514B or CSA C22.2 No. 18.3),

c) Reducing washers (see UL 514B or CSA C22.2 No. 18.3),

d) Pulling grips for cable or cord (see UL 514B or CSA C22.2 No. 18.3),

e) Cable ties (see UL 1565 or CSA C22.2 No. 18.5), or

f) Positioning devices (see UL 1565 or CSA C22.2 No. 18.5).