NEK IEC 60079-18:2014

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Status: Check Published
Norwegian title: Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"
English title: Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"
Item type: Standard
Language: en/fr
Edition: 4.0 (2014-12-12)
Supersedes: NEK IEC 60079-18:2009 Alert Withdrawn
NEK IEC 60079-18:2009/COR1:2009 Alert Withdrawn
NEK IEC 60079-18:2009 RLV Alert Withdrawn
Superseded by: NEK IEC 60079-18:2014+AMD1:2017 CSV Check Published
Number of pages: 80

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Scope: IEC 60079-18:2014 is available as <a href="">IEC 60079-18:2014 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br /> <br /> IEC 60079-18:2014 gives the specific requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Ex components with the type of protection encapsulation "m" intended for use in explosive gas atmospheres or explosive dust atmospheres. This part applies only for encapsulated electrical equipment, encapsulated parts of electrical equipment and encapsulat ed Ex components (hereinafter always referred to as "m" equipment) where the rated voltage does not exceed 11 kV. The application of electrical equipment in atmospheres, which may contain explosive gas as well as combustible dust simultaneously, may require additional protective measures. This standard does not apply to dusts of explosives, which do not require atmospheric oxygen for combustion, or to pyrophoric substances. This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust. This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence. This fourth edition cancels and replaces the third edition of IEC 60079-18:2009, and constitutes a technical revision. Please refer to the foreword of the document for a listing of the technical changes with respect to the previous edition. Keywords: encapsulation "m", explosive gas atmospheres, explosive dust atmospheres<br /> This publication is to be read in conjunction with <a href="">IEC 60079-0:2011</a>.<br /> The contents of the corrigendum of July 2018 have been included in this copy.
Committee: NEK/NK31
Adopted: 2014-12-12
ICS: 29.260.20 - Elektriske apparater til eksplosive atmosfærer
903.01 - Elektrisk utstyr i gasseksplosjonsfarlige omgivelser