UL - 5A BULLETIN
UL Standard for Safety Nonmetallic Surface Raceways and Fittings
|Publication Date:||4 April 2008|
These requirements cover nonmetallic raceways and fittings. These products are for use as surface wiring systems in accordance with the National Electrical Code® (NEC) and Canadian Electrical Code (CEC), Part I.
Raceways that are all nonmetallic and of any thickness are intended to enclose circuits operating at potentials not exceeding 600 V between conductors.
Nonmetallic raceways with metal covers are intended to enclose circuits operating at potentials in accordance with Table 1 or Table 1A.
These requirements do not cover surface metal raceways, cable trays, or wireways.