ISA 60079-26:2011

ISA 60079-26:2011 Explosive Atmospheres - Part 26: Equipment For Use In Class 1, Zone 0 Hazardous (Classified) Locations Describes the particular requirements for construction, test and marking for electrical equipment of Group II intended for use in Class I, Zone 0 as defined in the National Electrical Code, ANSI/NFPA

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Table of Contents

1Scope
2References
3Termsanddefinitions
4Requirementsfordesignandconstruction
4.1General
4.2Protectionmeasuresagainstignitionhazardsofthe
electricalcircuits
4.3Apparatuswithmovingparts
4.4Isolatedconductivecomponents
4.5Non-conductiveenclosuresandaccessiblenon-conductive
components
4.6Mechanicalconnection
5Typetests
5.1Standardizedtypesofprotection
5.2Separationelements
5.3Temperatureevaluation
6Marking
6.1General
6.2Examplesofmarking
7Informationforuse
AnnexA(informative)-UnitedStatesmajordeviations

Abstract

Describes the particular requirements for construction, test and marking for electrical equipment of Group II intended for use in Class I, Zone 0 as defined in the National Electrical Code, ANSI/NFPA 70.

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