International Electrotechnical Commission
Glossary

Terms defined by SC 31J


Hide details for [<span>abnormal operation</span>]abnormal operation
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for alterationalteration
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>area</span>]area
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>associated apparatus</span>]associated apparatus
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>associated energy-limited apparatus</span>]associated energy-limited apparatus
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>background concentration</span>]background concentration
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>boiling point</span>]boiling point
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>catastrophic failure</span>]catastrophic failure
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for certificatecertificate
IEC 60079-19, ed. 3.0 (2010)
Hide details for certificate referencescertificate references
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>close inspection</span>]close inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>combustible dust</span>]combustible dust
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>combustible flyings</span>]combustible flyings
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>competent body</span>]competent body
IEC 60079-14, ed. 5.0 (2013)
Hide details for component partcomponent part
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>conductive dust</span>]conductive dust
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>continuous dilution</span>]continuous dilution
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>continuous formation of a dust cloud</span>]continuous formation of a dust cloud
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>continuous grade of release</span>]continuous grade of release
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>continuous supervision</span>]continuous supervision
IEC 60079-17, ed. 5.0 (2013)
Hide details for copy windingcopy winding
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>detailed inspection</span>]detailed inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>dilution</span>]dilution
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>dilution volume</span>]dilution volume
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>dust</span>]dust
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>dust containment</span>]dust containment
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>electrical equipment</span>]electrical equipment
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>encapsulation “m”</span>]encapsulation “m”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>energy-limited apparatus</span>]energy-limited apparatus
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>equipment (for explosive atmospheres)</span>]equipment (for explosive atmospheres)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>explosive atmosphere</span>]explosive atmosphere
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>explosive dust atmosphere</span>]explosive dust atmosphere
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>explosive gas atmosphere</span>]explosive gas atmosphere
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>extent of zone</span>]extent of zone
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>fixed</span>]fixed
IEC 60079-14, ed. 5.0 (2013)
Hide details for flameproof enclosure “d”flameproof enclosure “d”
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>flameproof enclosure “d”</span>]flameproof enclosure “d”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>flammable gas or vapour</span>]flammable gas or vapour
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>flammable liquid</span>]flammable liquid
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>flammable mist</span>]flammable mist
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>flammable substance</span>]flammable substance
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>flashpoint</span>]flashpoint
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>galvanic isolation</span>]galvanic isolation
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>group &lt;of electrical equipment for explosive atmospheres&gt;</span>]group <of electrical equipment for explosive atmospheres>
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>hazardous area</span>]hazardous area
IEC 60079-14, ed. 5.0 (2013)
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>hazardous area (dust)</span>]hazardous area (dust)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>hazardous area (on account of explosive gas atmospheres)</span>]hazardous area (on account of explosive gas atmospheres)
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>hybrid mixture</span>]hybrid mixture
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>ignition temperature of a dust cloud</span>]ignition temperature of a dust cloud
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>ignition temperature of a dust layer</span>]ignition temperature of a dust layer
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>ignition temperature of an explosive gas atmosphere</span>]ignition temperature of an explosive gas atmosphere
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>increased safety “e”</span>]increased safety “e”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>initial inspection</span>]initial inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>initial starting current</span>]initial starting current
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>inspection</span>]inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>intrinsic safety “i”</span>]intrinsic safety “i”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>intrinsically safe apparatus</span>]intrinsically safe apparatus
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>intrinsically safe circuit</span>]intrinsically safe circuit
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>intrinsically safe electrical system</span>]intrinsically safe electrical system
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>intrinsically safe sub-circuit</span>]intrinsically safe sub-circuit
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>leakage compensation</span>]leakage compensation
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>liquefied flammable gas</span>]liquefied flammable gas
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>live maintenance</span>]live maintenance
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>lower flammable limit (LFL)</span>]lower flammable limit (LFL)
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for maintenancemaintenance
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>maintenance</span>]maintenance
IEC 60079-17, ed. 5.0 (2013)
Hide details for manufacturermanufacturer
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>maximum external inductance to resistance ratio</span>]maximum external inductance to resistance ratio
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>maximum permissible surface temperature</span>]maximum permissible surface temperature
IEC 60079-14, ed. 5.0 (2013)
Hide details for modificationmodification
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>non-conductive dust</span>]non-conductive dust
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>non-hazardous area</span>]non-hazardous area
IEC 60079-14, ed. 5.0 (2013)
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>non-hazardous area (dust)</span>]non-hazardous area (dust)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>non-hazardous area (on account of explosive gas atmospheres)</span>]non-hazardous area (on account of explosive gas atmospheres)
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>normal operation</span>]normal operation
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>oil-immersion “o”</span>]oil-immersion “o”
IEC 60079-14, ed. 5.0 (2013)
Hide details for overhauloverhaul
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>periodic inspection</span>]periodic inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>personal</span>]personal
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>portable</span>]portable
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>powder filling “q”</span>]powder filling “q”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>pressure-piling</span>]pressure-piling
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>pressurization “p”</span>]pressurization “p”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>primary grade of release</span>]primary grade of release
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>protection by enclosure “t”</span>]protection by enclosure “t”
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>protective extra-low voltage system</span>]protective extra-low voltage system
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>radio frequency identification	</span>]radio frequency identification
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>rare malfunction</span>]rare malfunction
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for reclamationreclamation
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>relative density of a gas or a vapour</span>]relative density of a gas or a vapour
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>release rate</span>]release rate
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for repairrepair
IEC 60079-19, ed. 3.0 (2010)
Hide details for repair facilityrepair facility
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>routine maintenance</span>]routine maintenance
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>safety extra-low voltage system</span>]safety extra-low voltage system
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>sample inspection</span>]sample inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>secondary grade of release</span>]secondary grade of release
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for serviceable conditionserviceable condition
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>simple apparatus</span>]simple apparatus
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>skilled personnel</span>]skilled personnel
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>source of dust release</span>]source of dust release
IEC 60079-10-2, ed. 2.0 (2015)
Hide details for [<span>source of release</span>]source of release
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>starting current ratio</span>]starting current ratio
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>static pressurization</span>]static pressurization
IEC 60079-14, ed. 5.0 (2013)
Hide details for symbol "X"symbol "X"
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>technical person with executive function</span>]technical person with executive function
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>time</span>]time
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>transportable</span>]transportable
IEC 60079-14, ed. 5.0 (2013)
Hide details for type of protection “e”type of protection “e”
IEC 60079-19, ed. 3.0 (2010)
Hide details for type of protection “i”type of protection “i”
IEC 60079-19, ed. 3.0 (2010)
Hide details for type of protection “n”type of protection “n”
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>type of protection “n”</span>]type of protection “n”
IEC 60079-14, ed. 5.0 (2013)
Hide details for type of protection “pD”type of protection “pD”
IEC 60079-19, ed. 3.0 (2010)
Hide details for type of protection “p”type of protection “p”
IEC 60079-19, ed. 3.0 (2010)
Hide details for type of protection “tD” or Group III “t”type of protection “tD” or Group III “t”
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>upper flammable limit (UFL)</span>]upper flammable limit (UFL)
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for useruser
IEC 60079-19, ed. 3.0 (2010)
Hide details for [<span>vapour pressure</span>]vapour pressure
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>ventilation</span>]ventilation
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>verification dossier</span>]verification dossier
IEC 60079-10-2, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>visual inspection</span>]visual inspection
IEC 60079-17, ed. 5.0 (2013)
Hide details for [<span>volume under consideration</span>]volume under consideration
IEC 60079-10-1, ed. 2.0 (2015)
Hide details for [<span>zone 0</span>]zone 0
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>zone 1</span>]zone 1
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>zone 2</span>]zone 2
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>Zone 20</span>]Zone 20
IEC 60079-10-2, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>Zone 21</span>]Zone 21
IEC 60079-10-2, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>Zone 22</span>]Zone 22
IEC 60079-10-2, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)
Hide details for [<span>zones</span>]zones
IEC 60079-10-1, ed. 2.0 (2015)
IEC 60079-14, ed. 5.0 (2013)


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