scope:

1.1 The requirements cover an enclosure rating system for attachment plugs, receptacles, inlets, and cord connectors provided with an enclosure intended for use in various environmental applications.

1.2 A device with an environmental enclosure shall also comply with the applicable requirements of either UL 498, UL 498D or UL 498F as appropriate, except as modified by these requirements.

1.3 The requirements of this supplement do not cover enclosure type designations for wiring devices for use in hazardous locations as defined by the National Electrical Code, ANSI/NFPA 70.