UL 498F 2021 pdf download – Plugs, Socket-Outlets and Couplers with Arcuate (Locking Type) Contacts.
5.3 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. 5.4 BULK SHIPMENT – Any packaging container having more than one receptacle not provided with a unit container. 5.5 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. 5.6 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. 5.7 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. 5.8 ENCLOSURE – That part of the device that renders inaccessible all or any parts of the device that may otherwise present a risk of electric shock, retards propagation of flame initiated by electrical disturbances occurring within, or both. 5.9 FIXTURE, EQUIPMENT, OR APPLIANCE OUTLET – A receptacle outlet device for mounting on utilization equipment. 5.10 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. 5.11 GROUNDING DEVICE – A device having a L5-15, L6-15, TT-R, or ML-2R configuration, the standard configuration illustrated in the Hospital Use Only 2-Pole, 3-Wire Grounding-Type Locking Devices Rated 20 A, 125 V, Figure C1.1 of UL 1681, or a nonstandard configuration that employs one blade, pin, or contact exclusively for grounding.