# The Pyrotechnic Articles (Safety) Regulations 2015, Paragraph 4


Category F4 fireworks are fireworks which present a high hazard, which are intended for use only by persons with specialist knowledge and whose noise level is not harmful to human health.

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Source: https://www.legislation.gov.uk/uksi/2015/1553/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/pyrotechnic-articles-safety-regulations-2015/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.