PDF Standards UL 5B

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Please note: All interim revisions for this edition available at time of your purchase will be included.

This new edition is a periodic re-issuance to ensure that UL’s Standards remain up-to-date with regard to format and editorial issues such as renumbering, repaginating, correction of editorial errors, correction of cross-references and updating titles of referenced Standards. No changes in requirements are involved. This new edition is also being issued to update the title page to indicate the standard has been approved as an American National Standard.

1 Scope

1.1 These requirements cover strut-type channel raceways and fittings for use only in dry locations and in accordance with the National Electrical Code, NFPA 70.

1.2 Strut-type channel raceways of the following thicknesses are intended to enclose circuits operating at potentials not exceeding 600 volts between conductors:
a) Strut-type channel raceways that are entirely of metal having a channel (base) at least 0.071 inch (1.81 mm) thick and a metal closure strip (cover) at least 0.040 inch (1.02 mm) thick.
b) Strut-type channel raceways consisting of a nonmetallic closure strip (cover) on a metal channel (base) of the thickness indicated in 1.2(a).

1.3 These requirements do not apply to cable trays, wireways, or surface metal or nonmetallic raceways.

Product Details

Edition:

2nd

Published:

04/14/2004

ANSI:

ANSI Approved

Number of Pages:

26

Note:

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