UL 1691:2018-07 Single Pole Locking-Type Separable Connectors.
1.1 These requirements cover single pole locking-type separable attachment plugs, cord connectors, panel inlets, and panel outlets, adapters, and accessories, rated up to a maximum of 800 amperes and up to 600 volts ac or dc and not intended for connection or disconnection under load conditions.
1.2 These devices are intended to provide power from feeders or branch circuits, or are for direct connection to feeders or branch circuits in accordance with the Canadian Electrical Code (CEC), Part I, C22.1, and the National Electrical Code (NEC), ANSI/NFPA-70 for the following applications:
Amusement parks, midways, carnivals, film and TV sets, TV remote broadcasting locations, traveling shows (Section 66) and similar venues and installations where such temporary connections could be used.
a) Places of assembly (assembly occupancies) (Article 518)
b) Theaters, audience areas of motion picture and television studios, performance areas, and
similar locations (Article 520)
c) Carnivals, circuses, fairs and similar events (Article 525)
d) Motion pictures and television studios and similar locations (Article 530)
e) Motion picture projection rooms (Article 540)
f) Temporary installations such as construction sites (Article 590)
1.3 These devices are not intended for use in hazardous locations.
1.4 Attachment plugs and cord connectors are intended for use with cables, as defined in applicable electrical codes, having copper conductors only, for use in either outdoor or indoor locations.
1.5 Inlets and outlets are intended for use with cables or bus bars, as defined in applicable electrical codes, having copper conductors only, for use in either outdoor or indoor locations.
1.6 This Standard does not apply to:
a) Plugs, Receptacles, and Cable Connectors, of the Pin and Sleeve Type covered by UL 1682 and CSA C22.2 No. 182.1.
b) Devices molded integrally with flexible cord or cable that are covered by the Standard for Cord Sets and Power-Supply Cords, UL 817, and Cord Sets and Power Supply Cords, CSA C22.2 No. 21.UL 1691 pdf download.