Table of Contents
1Scope
2References
3Termsanddefinitions
4Groupingandclassificationofintrinsicallysafeapparatus
andassociatedapparatus
5Levelsofprotectionandignitioncompliancerequirements
ofelectricalapparatus
6Apparatusconstruction
7Componentsonwhichintrinsicsafetydepends
8Infalliblecomponents,infallibleassembliesofcomponents
andinfallibleconnectionsonwhichintrinsicsafetydepends
9Supplementaryrequirementsforspecificapparatus
10Typeverificationsandtypetests
11Routineverificationsandtests
12Marking
13Documentation
AnnexA(normative)-Assessmentofintrinsicallysafecircuits
AnnexB(normative)-Sparktestapparatusforintrinsically
safecircuits
AnnexC(informative)-Measurementofcreepagedistances,
clearancesandseparationdistancesthroughcasting
compoundandthroughsolidinsulation
AnnexD(normative)-Encapsulation
AnnexE(informative)-Transientenergytest
AnnexF(normative)-Alternativeseparationdistancesfor
assembledprintedcircuitboardsandseparationof
components
AnnexG(normative)-Fieldbusintrinsicallysafeconcept
(FISCO)-Apparatusrequirements
AnnexH(informative)-Ignitiontestingofsemiconductor
limitingpowersupplycircuits
AnnexI(informative)-Explanatoryguidefortheapplication
of"ic"
AnnexJ(informative)-NationalDifferencesTypesnotedin
ANSI/ISA-60079-11UnitedStatesNational
DifferencesforIEC60079-11 Abstract
Defines the construction and testing of intrinsically safe apparatus intended for use in an explosive atmosphere and for associated apparatus, which is intended for connection to intrinsically safe circuits which enter such atmospheres.