UL 2251

1.1 These requirements cover plugs, receptacles, vehicle inlets, vehicle connectors, and breakaway couplings, rated up to 800 amperes and up to 600 volts ac or dc, intended for conductive connection systems, for use with electric vehicles. These devices are for use in either indoor or outdoor nonhazardous locations in accordance with Annex A, Ref. No. 1. -- 1.2 This Standard does not directly apply to the following: a) Devices produced integrally with flexible cord or cable that are covered by Annex A, Ref. No. 2; b) Devices solely intended for direct connection to the branch circuit in accordance with Annex A, Ref. No. 1 such as attachment plugs, cord connectors, and receptacles, which can include 3 or more pilot contacts, that are covered by Annex A, Ref. No. 3; c) Single and multi-pole connectors, intended for connection to copper conductors, for use in data, signal, control, and power applications within and between electrical equipment, where exposed, for use in accordance with national electrical codes, that are covered by Annex A, Ref. No. 4; d) Devices of the pin and sleeve type construction, intended to provide power from branch circuits to utilization equipment, or for direct connection of utilization equipment to the branch circuit, that are covered by Annex A, Ref. No. 5; e) Devices intended for use in hazardous locations that are covered by Annex A, Ref. No. 6; f) Devices consisting of wiring terminals and supporting blocks intended for the connection of wiring that are covered by Annex A, Ref. No. 7; g) Devices such as modular jacks and plugs that are intended for use with telecommunications networks, that are covered by Annex A, Ref. Nos. 8 and 9; h) Devices such as wire connectors and soldering lugs that are covered by Annex A, Ref. Nos. 10 - 12; i) Devices such as quick-connect terminals that are covered by Annex A, Ref. No. 13; j) Products such as power outlet assemblies that are covered by Annex A, Ref. No. 14; k) Products such as switched interlocks that are covered by Annex A, Ref. No. 15. -- 1.3 In the text of this Standard, the term "device" refers to any product covered by this Standard. The letters "EV" refer to an electric vehicle, including plug-in hybrid vehicles, hybrid vehicles, electric vehicles, battery electric vehicles, and similar vehicles.