Table of Contents
1Scope
2References
3Termsanddefinitions
4General
5Temperatures
6Requirementsforelectricalequipment
7Connectionfacilitiesandterminalcompartments
8Supplementaryrequirementsfornon-sparkingelectrical
rotatingmachines
9Supplementaryrequirementsfornon-sparkingfusesand
fuseassemblies
10Supplementaryrequirementsfornon-sparkingplugsand
sockets
11Supplementaryrequirementsfornon-sparkingluminaires
12Supplementaryrequirementsforequipmentincorporating
non-sparkingcellsandbatteries
13Supplementaryrequirementsfornon-sparkinglowpower
equipment
14Supplementaryrequirementsfornon-sparkingcurrent
transformers
15Othernon-sparkingelectricalequipment
16Generalsupplementaryrequirementsforequipment
producingarcs,sparksorhotsurfaces
17Supplementaryrequirementsforenclosed-break
equipmentandnon-incendivecomponentsproducingarcs,
sparksorhotsurfaces
18Supplementaryrequirementsforhermetically-sealed
componentsproducingarcs,sparksorhotsurfaces
19Supplementaryrequirementsforsealedcomponents
producingarcs,sparksorhotsurfaces
20Supplementaryrequirementsforrestricted-breathing
enclosuresprotectingequipmentproducingarcs,sparks
orhotsurfaces
21Generalinformationonverificationandtests
22Typetests
23Routineverificationsandtests
24Marking
25Documentation
26Instructions
AnnexA(informative)-Application,installation,and
testingconsiderationsforEx"nA"asynchronous
machines
AnnexB(informative)-UnitedStatesmajornational
differences Abstract
Defines requirements for the construction, testing and marking for Group II electrical equipment with type of protection, "n" intended for use in explosive gas atmospheres.