# The Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres Regulations 2016, Paragraph 37: Explosive atmospheres caused by air and dust mixtures

Extent: E+W+S

(1) Equipment must be so designed and constructed that air and dust mixtures cannot be ignited by foreseeable ignition sources likely to exist during normal operation.
(2) With regard to surface temperatures, sub-paragraph 33(5) applies.
(3) Equipment, including cable entries and connecting pieces, must be so constructed that, taking into account the size of its particles, dust can neither develop explosive mixtures with air nor form dangerous accumulations inside the equipment.

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Source: https://www.legislation.gov.uk/uksi/2016/1107/schedule/1/paragraph/37 (the official version)
Page: https://openlegislation.uk/equipment-and-protective-systems-intended-for-use-in-potentially-explosive-atmospheres-regulations-2016/schedule-1/paragraph-37
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.