# The Plugs and Sockets etc. (Safety) Regulations 1994, Paragraph 4


Any non–UK plug supplied loose which is manufactured to comply with the safety provisions of IEC 884–1 and which is marked with or accompanied by a warning that it is not suitable for connection to a mains socket in the United Kingdom.

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Source: https://www.legislation.gov.uk/uksi/1994/1768/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/plugs-and-sockets-etc-safety-regulations-1994/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.