UL 5B PDF
Price range: $90.90 through $181.80
Strut-Type Channel Raceways and Fittings
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:
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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.
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b) Strut-type channel raceways consisting of a nonmetallic closure strip (cover) on a metal channel (base) of the thickness indicated in 2(a).
1.3 These requirements do not apply to cable trays, wireways, or surface metal or nonmetallic raceways.
Summary of Topics
This revision of ANSI/UL 5B dated January 30, 2024 is being issued to update the title page to reflect the most recent designation as a Reaffirmed American National Standard (ANS). No technical changes have been made.
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