UL 498-2017 pdf download – Attachment Plugs and Receptacles.
2 Glossary 2.1 For the purposes of this Standard, the following definitions apply. 2.2 APPLIANCE COUPLER – A single-outlet, female contact device for attachment to a flexible cord as part of a detachable power-supply cord to be connected to an inlet (motor attachment plug). 2.3 APPLIANCE PLUG – An appliance coupler type of device having a cord guard and a slot configuration specified for use with heating or cooking appliances. 2.4 ATTACHMENT PLUG – A male contact device for the temporary connection of a flexible cord or cable to a receptacle, cord connector, flanged equipment power outlet, or other outlet device. 2.5 BULK SHIPMENT – Any packaging container having more than one receptacle not provided with a unit container. 2.6 CONFIGURATION, LOCKING – A device having a configuration that requires a motion other than a straight push or pull to connect or separate it when used with its mating part. 2.7 CORD CONNECTOR – A female contact device to be wired on flexible cord for use as an extension from an outlet to make a detachable electrical connection to an attachment plug or, as an appliance coupler, to an equipment inlet. 2.8 CURRENT TAP – A device provided with one set of male blades, one or two female outlets, and wiring terminals for flexible cord intended either for factory or field wiring. 2.9 ELECTRICAL (FUNCTIONAL) INSULATION – The insulation necessary for the proper functioning of the product and for basic protection against electrical shock. This includes all parts relied upon to support live parts in place, all internal barriers necessary to maintain spacings, and the outlet face portion of all female devices.
2.1 2 FLATIRON PLUG – An appliance coupler type of a device having a cord guard and a slot configuration specified for use with heating or cooking appliances. 2.13 GROUNDING-CONDUCTOR PATH – A path between the grounding pin, blade, or contact and the grounding terminal or, if the device has no grounding terminal, the point at which the path makes contact with a part of the metal raceway system, such as a box, box cover, or the raceway itself. 2.14 GROUNDING DEVICE – A device having a 5-15, 5-20, 5-30, 5-50, 6-15, 6-20, 6-30, 6-50, 7-15, 7-20, 7-30, 7-50, 14-1 5, 14-20, 14-30, 14-50, 14-60, 15-15, 15-20, 15-30, 15-50, 15-60, L5-15, L5-20, L5-30, L6-15, L6-20, L6-30, L7-15, L7-20, L7-30, L8-20, L8-30, L9-20, L9-30, L14-20, L14-30, L15-20, L15-30, L1 6-20, L1 6-30, L1 7-30, L21-20, L21-30, L22-20, L22-30, L23-20, L23-30, TT-R, or ML-2R configuration, the standard configuration illustrated in Figure C1.1 of the Standard for Wiring Device Configurations, UL 1 681 , or a nonstandard configuration that employs one blade, pin, or contact exclusively for grounding. 2.15 HOUSING ADAPTER, ANGLE – A part that is intended to replace a portion of an attachment plug or cord connector housing so that the flexible cord exits the strain relief in the same plane as the face of the device. 2.16 HOUSING ADAPTER, SHROUD – A part that is intended to be assembled onto an attachment plug or cord connector to extend the housing beyond the plane of the face of the device. 2.17 INLET – (Motor Attachment Plug) A male contact device to be mounted on utilization equipment to provide an integral blade configuration for the connection of an appliance coupler or cord connector.