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UL 5B:2019

UL 5B:2019

$98.80

Standard for Strut-Type Channel Raceways and Fittings

Published By Publication Date Number of Pages
UL 2019-02-26 25
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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.

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UL 5B:2019
$98.80