scope:

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.

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:

CEC

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.

NEC

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) 

These devices are not intended for use in hazardous locations. 

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. 

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. 

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.

c) General and special use devices, such as attachment plugs, receptacles, cord connectors, inlets, current taps, flatiron and appliance plugs, that are covered by the Standard for Attachment Plugs and Receptacles, UL 498, and General Use Receptacles, Attachment Plugs, and Similar Wiring Devices, CSA C22.2 No. 42, Appliance Plugs for Heater Cord Sets, CSA C22.2 No. 57, and Industrial Locking Types, Special Use Attachment Plugs, Receptacles and Connectors, CSA C22.2 No. 182.2.

d) Single and multi-pole connectors, which may include 3 or more pilot contacts, intended for connection to copper conductors, for use in data, signal, control and power applications within and between electrical equipment, where exposed, that are covered by the Standard for Component Connectors for Use in Data, Signal, Control and Power Applications, UL 1977, and Special Use Attachment Plugs, Receptacles and Connectors, CSA C22.2 No. 182.3.

e) Devices intended for use in hazardous (Classified) locations that are covered by the Standard for Receptacle-Plug Combinations for Use in Hazardous (Classified) Locations, UL 1010, and Attachment Plugs, Receptacles and Similar Wiring Devices for Use in Hazardous Locations: Class I, A, B, C, and D, Class II, Group G in Coal or Coke Dust, and in Gaseous Mines, CSA C22.2 No. 159.

f) Products such as switched interlocks that are covered by the Standard for Industrial Control Equipment, UL 508, and Industrial Control Equipment, CSA C22.2 No. 14.

g) Bus bar clamps covered by the Standard for Portable Power-Distribution Equipment, UL 1640.

h) Portable power distribution units covered by the Standard for Portable Power-Distribution Equipment, UL 1640.