International Electrotechnical Commission
Glossary

Terms defined by TC 31


Hide details for [<span>absorption</span>]absorption
IEC 60079-28, ed. 2.0 (2015)
Hide details for [<span>add-on secondary process seal</span>]add-on secondary process seal
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>additional safe guarding system</span>]additional safe guarding system
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for adhesionadhesion
IEC 60079-18, ed. 4.0 (2014)
Hide details for [<span>aerosol</span>]aerosol
IEC 60079-40, ed. 1.0 (2015)
Hide details for airlockairlock
IEC 60079-13, ed. 1.0 (2010)
Hide details for alarmalarm
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>alarm</span>]alarm
IEC 60079-2, ed. 6.0 (2014)
Hide details for alarm-only apparatusalarm-only apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for alarm only equipmentalarm only equipment
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>alarm only equipment</span>]alarm only equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for alarm set pointalarm set point
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>alarm setpoint</span>]alarm setpoint
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for alarm signalalarm signal
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>alarm signal</span>]alarm signal
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for albedoalbedo
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>albedo</span>]albedo
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for ambient airambient air
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>ambient air</span>]ambient air
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for ambient temperatureambient temperature
IEC 60079-0, ed. 6.0 (2011)
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>antistatic</span>]antistatic
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for area, hazardousarea, hazardous
IEC 60079-0, ed. 6.0 (2011)
Hide details for area, non-hazardousarea, non-hazardous
IEC 60079-0, ed. 6.0 (2011)
Hide details for aspirated apparatusaspirated apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>aspirated equipment</span>]aspirated equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for associated apparatusassociated apparatus
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>associated gas detection equipment</span>]associated gas detection equipment
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for auto-ignition temperature, AITauto-ignition temperature, AIT
IEC 60079-20-1, ed. 1.0 (2010)
Hide details for batterybattery
IEC 60079-0, ed. 6.0 (2011)
Hide details for battery containerbattery container
IEC 62013-1, ed. 2.0 (2005)
Hide details for battery enclosurebattery enclosure
IEC 60079-35-1, ed. 1.0 (2011)
Hide details for beam blocked signalbeam blocked signal
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>beam blocked signal</span>]beam blocked signal
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>beam diameter (or beam width)</span>]beam diameter (or beam width)
IEC 60079-28, ed. 2.0 (2015)
Hide details for [<span>beam strength</span>]beam strength
IEC 60079-28, ed. 2.0 (2015)
Hide details for branch circuitbranch circuit
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>breathing device</span>]breathing device
IEC 60079-1, ed. 7.0 (2014)
Hide details for bushingbushing
IEC 60079-0, ed. 6.0 (2011)
Hide details for cable glandcable gland
IEC 60079-0, ed. 6.0 (2011)
Hide details for cable sealing boxcable sealing box
IEC 60079-15, ed. 4.0 (2010)
Hide details for cable transit devicecable transit device
IEC 60079-0, ed. 6.0 (2011)
Hide details for capacitycapacity
IEC 60079-0, ed. 6.0 (2011)
Hide details for caplightcaplight
IEC 60079-35-1, ed. 1.0 (2011)
IEC 62013-1, ed. 2.0 (2005)
Hide details for [<span>catalytic sensor</span>]catalytic sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for cellcell
IEC 60079-0, ed. 6.0 (2011)
Hide details for certificatecertificate
IEC 60079-0, ed. 6.0 (2011)
Hide details for chargingcharging
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>cladding</span>]cladding
IEC 60079-28, ed. 2.0 (2015)
Hide details for clamping deviceclamping device
IEC 60079-0, ed. 6.0 (2011)
Hide details for clean airclean air
IEC 60079-13, ed. 1.0 (2010)
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>clean air</span>]clean air
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for clearanceclearance
IEC 60079-0, ed. 6.0 (2011)
IEC 60079-15, ed. 4.0 (2010)
Hide details for cold leadcold lead
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for combustible dustcombustible dust
IEC 60079-0, ed. 6.0 (2011)
Hide details for combustible flyingscombustible flyings
IEC 60079-0, ed. 6.0 (2011)
Hide details for compound (for encapsulation)compound (for encapsulation)
IEC 60079-0, ed. 6.0 (2011)
Hide details for compression elementcompression element
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>concentration</span>]concentration
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>conductive</span>]conductive
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for conductive dustconductive dust
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>conductive footwear</span>]conductive footwear
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>conductivity</span>]conductivity
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>conductivity (electrical conductivity)</span>]conductivity (electrical conductivity)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for [<span>conductor</span>]conductor
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for conduit entryconduit entry
IEC 60079-0, ed. 6.0 (2011)
Hide details for connection facilitiesconnection facilities
IEC 60079-0, ed. 6.0 (2011)
Hide details for connections, factoryconnections, factory
IEC 60079-0, ed. 6.0 (2011)
Hide details for connections, field-wiringconnections, field-wiring
IEC 60079-0, ed. 6.0 (2011)
Hide details for container (battery)container (battery)
IEC 60079-0, ed. 6.0 (2011)
Hide details for container (for filling material)container (for filling material)
IEC 60079-5, ed. 4.0 (2015)
Hide details for containment systemcontainment system
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>containment system</span>]containment system
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>contaminated liquid</span>]contaminated liquid
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for continuous duty apparatuscontinuous duty apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>continuous duty equipment</span>]continuous duty equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for continuous operating temperature, COTcontinuous operating temperature, COT
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>continuous or quasi-continuous sensing</span>]continuous or quasi-continuous sensing
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for continuous transmissioncontinuous transmission
IEC 60079-0, ed. 6.0 (2011)
Hide details for controlled designcontrolled design
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for converter (for use with electrical machines)converter (for use with electrical machines)
IEC 60079-0, ed. 6.0 (2011)
Hide details for converter, soft-startconverter, soft-start
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>core</span>]core
IEC 60079-28, ed. 2.0 (2015)
Hide details for countable faultcountable fault
IEC 60079-18, ed. 4.0 (2014)
Hide details for creepage distancecreepage distance
IEC 60079-0, ed. 6.0 (2011)
IEC 60079-15, ed. 4.0 (2010)
Hide details for [<span>dangerous failure</span>]dangerous failure
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for dead legdead leg
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for deep dischargedeep discharge
IEC 60079-0, ed. 6.0 (2011)
Hide details for degree of protection of enclosure, IPdegree of protection of enclosure, IP
IEC 60079-0, ed. 6.0 (2011)
Hide details for design loadingdesign loading
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for diffusion apparatusdiffusion apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>diffusion equipment</span>]diffusion equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for dilutiondilution
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>dilution</span>]dilution
IEC 60079-2, ed. 6.0 (2014)
Hide details for dilution areadilution area
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>dilution area</span>]dilution area
IEC 60079-2, ed. 6.0 (2014)
Hide details for disconnectordisconnector
IEC 60079-6, ed. 4.0 (2015)
Hide details for [<span>dissipative</span>]dissipative
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>dissipative clothing</span>]dissipative clothing
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>dissipative (electrostatic dissipative)</span>]dissipative (electrostatic dissipative)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for [<span>dissipative footwear</span>]dissipative footwear
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>distance</span>]distance
IEC 60079-1, ed. 7.0 (2014)
Hide details for distance through casting compounddistance through casting compound
IEC 60079-0, ed. 6.0 (2011)
Hide details for distance through solid insulationdistance through solid insulation
IEC 60079-0, ed. 6.0 (2011)
Hide details for distance under coatingdistance under coating
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>door or cover fixed by threaded fasteners</span>]door or cover fixed by threaded fasteners
IEC 60079-1, ed. 7.0 (2014)
Hide details for [<span>dose</span>]dose
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>draining device</span>]draining device
IEC 60079-1, ed. 7.0 (2014)
Hide details for driftdrift
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>drift</span>]drift
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>dual process seal equipment</span>]dual process seal equipment
IEC 60079-40, ed. 1.0 (2015)
Hide details for dustdust
IEC 60079-0, ed. 6.0 (2011)
Hide details for dust-protected enclosuredust-protected enclosure
IEC 60079-0, ed. 6.0 (2011)
Hide details for dust-tight enclosuredust-tight enclosure
IEC 60079-0, ed. 6.0 (2011)
Hide details for dust ignition protection by enclosure “t”dust ignition protection by enclosure “t”
IEC 60079-31, ed. 2.0 (2013)
Hide details for duty cycleduty cycle
IEC 60079-15, ed. 4.0 (2010)
Hide details for [<span>duty type (motor)</span>]duty type (motor)
IEC 60079-7, ed. 5.0 (2015)
Hide details for elastomerelastomer
IEC 60079-0, ed. 6.0 (2011)
Hide details for electrical equipmentelectrical equipment
IEC 60079-0, ed. 6.0 (2011)
Hide details for electrically conductive coveringelectrically conductive covering
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>electrochemical sensor</span>]electrochemical sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>electrostatic shock</span>]electrostatic shock
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for encapsulationencapsulation
IEC 60079-0, ed. 6.0 (2011)
Hide details for encapsulation “m”encapsulation “m”
IEC 60079-18, ed. 4.0 (2014)
Hide details for enclosed-break device “nC”enclosed-break device “nC”
IEC 60079-15, ed. 4.0 (2010)
Hide details for enclosureenclosure
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>enclosure</span>]enclosure
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for [<span>enclosure volume</span>]enclosure volume
IEC 60079-2, ed. 6.0 (2014)
Hide details for end terminationend termination
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for EPL DaEPL Da
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL DbEPL Db
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL DcEPL Dc
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL GaEPL Ga
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL GbEPL Gb
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL GcEPL Gc
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL MaEPL Ma
IEC 60079-0, ed. 6.0 (2011)
Hide details for EPL MbEPL Mb
IEC 60079-0, ed. 6.0 (2011)
Hide details for equipment Certificateequipment Certificate
IEC 60079-0, ed. 6.0 (2011)
Hide details for equipment (for explosive atmospheres)equipment (for explosive atmospheres)
IEC 60079-0, ed. 6.0 (2011)
Hide details for equipment protection level, EPLequipment protection level, EPL
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>equipment with limited pressure at the electrical connections</span>]equipment with limited pressure at the electrical connections
IEC 60079-40, ed. 1.0 (2015)
Hide details for Ex blanking elementEx blanking element
IEC 60079-0, ed. 6.0 (2011)
Hide details for Ex ComponentEx Component
IEC 60079-0, ed. 6.0 (2011)
Hide details for Ex Component CertificateEx Component Certificate
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>Ex component enclosure</span>]Ex component enclosure
IEC 60079-1, ed. 7.0 (2014)
Hide details for [<span>Ex equipment blanking element</span>]Ex equipment blanking element
IEC 60079-1, ed. 7.0 (2014)
Hide details for Ex Equipment cable glandEx Equipment cable gland
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>Ex equipment thread adapter</span>]Ex equipment thread adapter
IEC 60079-1, ed. 7.0 (2014)
Hide details for Ex thread adapterEx thread adapter
IEC 60079-0, ed. 6.0 (2011)
Hide details for expected malfunctionexpected malfunction
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>explosion protected equipment</span>]explosion protected equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for explosion protectionexplosion protection
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>explosion protection</span>]explosion protection
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for explosive atmosphereexplosive atmosphere
IEC 60079-0, ed. 6.0 (2011)
Hide details for explosive dust atmosphereexplosive dust atmosphere
IEC 60079-0, ed. 6.0 (2011)
Hide details for explosive gas atmosphereexplosive gas atmosphere
IEC 60079-0, ed. 6.0 (2011)
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>explosive gas atmosphere</span>]explosive gas atmosphere
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>explosive range</span>]explosive range
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for explosive test mixtureexplosive test mixture
IEC 60079-0, ed. 6.0 (2011)
Hide details for factory fabricatedfactory fabricated
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>fail safe mode</span>]fail safe mode
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for fault signalfault signal
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>fault signal</span>]fault signal
IEC 60079-29-2, ed. 2.0 (2015)
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>ferrule</span>]ferrule
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>fibre bundle</span>]fibre bundle
IEC 60079-28, ed. 2.0 (2015)
Hide details for [<span>fibre optic terminal device</span>]fibre optic terminal device
IEC 60079-28, ed. 2.0 (2015)
Hide details for field assembledfield assembled
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for filament lampfilament lamp
IEC 60079-35-1, ed. 1.0 (2011)
Hide details for filling materialfilling material
IEC 60079-5, ed. 4.0 (2015)
Hide details for final indicationfinal indication
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for firedampfiredamp
IEC 60079-0, ed. 6.0 (2011)
IEC 60079-29-1, ed. 1.0 (2007)
IEC 62013-1, ed. 2.0 (2005)
Hide details for [<span>firedamp</span>]firedamp
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for fixed apparatusfixed apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for fixed equipmentfixed equipment
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>fixed equipment</span>]fixed equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>flame ionisation detector</span>]flame ionisation detector
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>flame temperature analyser</span>]flame temperature analyser
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>flameproof enclosure “d”</span>]flameproof enclosure “d”
IEC 60079-1, ed. 7.0 (2014)
Hide details for [<span>flameproof joint or flamepath</span>]flameproof joint or flamepath
IEC 60079-1, ed. 7.0 (2014)
Hide details for flammable atmosphereflammable atmosphere
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for flammable gasflammable gas
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>flammable gas</span>]flammable gas
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for flammable substanceflammable substance
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>flammable substance</span>]flammable substance
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>flashpoint</span>]flashpoint
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for free spacefree space
IEC 60079-0, ed. 6.0 (2011)
Hide details for free surfacefree surface
IEC 60079-18, ed. 4.0 (2014)
Hide details for [<span>functional check</span>]functional check
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>functional unit</span>]functional unit
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>fuse</span>]fuse
IEC 60079-7, ed. 5.0 (2015)
Hide details for galvanic isolationgalvanic isolation
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>gap of flameproof joint</span>]gap of flameproof joint
IEC 60079-1, ed. 7.0 (2014)
Hide details for [<span>gas calibration cell</span>]gas calibration cell
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for gas cellgas cell
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>gas detection transmitter</span>]gas detection transmitter
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for gasketgasket
IEC 60079-31, ed. 2.0 (2013)
Hide details for group I apparatusgroup I apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>group I equipment</span>]group I equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for group II apparatusgroup II apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>group II equipment</span>]group II equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>hardware module</span>]hardware module
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>hazardous area</span>]hazardous area
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for heat lossheat loss
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for heat sinkheat sink
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for heat transfer aidsheat transfer aids
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for hermetically-sealed device “nC”hermetically-sealed device “nC”
IEC 60079-15, ed. 4.0 (2010)
Hide details for [<span>hermetically sealed device</span>]hermetically sealed device
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>high charging</span>]high charging
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for high limit temperaturehigh limit temperature
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for hybrid mixturehybrid mixture
IEC 60079-33, ed. 1.0 (2012)
Hide details for [<span>hybrid mixture</span>]hybrid mixture
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>ignition-capable equipment</span>]ignition-capable equipment
IEC 60079-2, ed. 6.0 (2014)
Hide details for ignition-capable equipment, ICEignition-capable equipment, ICE
IEC 60079-13, ed. 1.0 (2010)
Hide details for ignition by hot surface (auto-ignition)ignition by hot surface (auto-ignition)
IEC 60079-20-1, ed. 1.0 (2010)
Hide details for ignition delay timeignition delay time
IEC 60079-20-1, ed. 1.0 (2010)
Hide details for ignition temperature of a dust cloudignition temperature of a dust cloud
IEC 60079-0, ed. 6.0 (2011)
Hide details for ignition temperature of a dust layerignition temperature of a dust layer
IEC 60079-0, ed. 6.0 (2011)
Hide details for ignition temperature of an explosive gas atmosphereignition temperature of an explosive gas atmosphere
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>increased safety ”e”</span>]increased safety ”e”
IEC 60079-7, ed. 5.0 (2015)
Hide details for independent verifierindependent verifier
IEC 60079-33, ed. 1.0 (2012)
Hide details for indicating devicesindicating devices
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>indicating devices</span>]indicating devices
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>indicator</span>]indicator
IEC 60079-2, ed. 6.0 (2014)
Hide details for infallible separationinfallible separation
IEC 60079-18, ed. 4.0 (2014)
Hide details for [<span>infrared absorption sensor</span>]infrared absorption sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>inherently safe optical radiation</span>]inherently safe optical radiation
IEC 60079-28, ed. 2.0 (2015)
Hide details for inhibition signalinhibition signal
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>inhibition signal</span>]inhibition signal
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>initial calibration</span>]initial calibration
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>initial starting current</span>]initial starting current
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>insulating</span>]insulating
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for integral componentsintegral components
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for integral concentrationintegral concentration
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>integral concentration</span>]integral concentration
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>intermittent sensing</span>]intermittent sensing
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for internal source of flammable substanceinternal source of flammable substance
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>internal source of release</span>]internal source of release
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>irradiance</span>]irradiance
IEC 60079-28, ed. 2.0 (2015)
Hide details for [<span>isolated conductor</span>]isolated conductor
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for jointjoint
IEC 60079-31, ed. 2.0 (2013)
Hide details for latching alarmlatching alarm
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>latching alarm</span>]latching alarm
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>leakage compensation</span>]leakage compensation
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>leakage resistance</span>]leakage resistance
IEC 60079-32-1, ed. 1.0 (2013)
Hide details for [<span>leakage resistance (resistance to earth)</span>]leakage resistance (resistance to earth)
IEC 60079-32-2, ed. 1.0 (2015)
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IEC 60079-7, ed. 5.0 (2015)
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IEC 60079-7, ed. 5.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-2, ed. 6.0 (2014)
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IEC 60079-2, ed. 6.0 (2014)
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IEC 60079-2, ed. 6.0 (2014)
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IEC 60079-35-1, ed. 1.0 (2011)
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IEC 60079-7, ed. 5.0 (2015)
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IEC 60079-28, ed. 2.0 (2015)
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IEC 60079-35-1, ed. 1.0 (2011)
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IEC 60079-13, ed. 1.0 (2010)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-13, ed. 1.0 (2010)
Hide details for liquid immersion "o"liquid immersion "o"
IEC 60079-6, ed. 4.0 (2015)
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IEC 60079-29-2, ed. 2.0 (2015)
IEC 60079-2, ed. 6.0 (2014)
Hide details for lower flammable limit, LFLlower flammable limit, LFL
IEC 60079-13, ed. 1.0 (2010)
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for maintain temperaturemaintain temperature
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-1, ed. 7.0 (2014)
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IEC 60079-20-1, ed. 1.0 (2010)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-6, ed. 4.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-29-2, ed. 2.0 (2015)
IEC 60079-29-3, ed. 1.0 (2014)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-20-1, ed. 1.0 (2010)
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IEC 60079-32-1, ed. 1.0 (2013)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-6, ed. 4.0 (2015)
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IEC 60079-29-1, ed. 1.0 (2007)
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IEC 60079-32-1, ed. 1.0 (2013)
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IEC 60079-29-1, ed. 1.0 (2007)
Hide details for nominal voltagenominal voltage
IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-15, ed. 4.0 (2010)
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IEC 60079-6, ed. 4.0 (2015)
Hide details for non-sparking device “nA”non-sparking device “nA”
IEC 60079-15, ed. 4.0 (2010)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-7, ed. 5.0 (2015)
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IEC 60079-29-4, ed. 1.0 (2009)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-13, ed. 1.0 (2010)
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IEC 60079-1, ed. 7.0 (2014)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>optical axis</span>]optical axis
IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-28, ed. 2.0 (2015)
Hide details for [<span>optical fibre cable</span>]optical fibre cable
IEC 60079-28, ed. 2.0 (2015)
Hide details for [<span>optical (or radiant) power</span>]optical (or radiant) power
IEC 60079-28, ed. 2.0 (2015)
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IEC 60079-29-4, ed. 1.0 (2009)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>optical radiation</span>]optical radiation
IEC 60079-28, ed. 2.0 (2015)
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>optical system with interlock</span>]optical system with interlock
IEC 60079-28, ed. 2.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-2, ed. 6.0 (2014)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-29-3, ed. 1.0 (2014)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-29-2, ed. 2.0 (2015)
Hide details for poisons (for sensors)poisons (for sensors)
IEC 60079-29-1, ed. 1.0 (2007)
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IEC 60079-29-1, ed. 1.0 (2007)
Hide details for portable equipmentportable equipment
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>portable equipment</span>]portable equipment
IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-29-1, ed. 1.0 (2007)
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IEC 60079-5, ed. 4.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>premises wiring (system)</span>]premises wiring (system)
IEC 60079-40, ed. 1.0 (2015)
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IEC 60079-1, ed. 7.0 (2014)
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IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>pressurization</span>]pressurization
IEC 60079-2, ed. 6.0 (2014)
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IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>pressurization system</span>]pressurization system
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>pressurized enclosure</span>]pressurized enclosure
IEC 60079-2, ed. 6.0 (2014)
Hide details for pressurized roompressurized room
IEC 60079-13, ed. 1.0 (2010)
Hide details for primary cell or batteryprimary cell or battery
IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>process connected equipment</span>]process connected equipment
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>process fluid</span>]process fluid
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>process seal</span>]process seal
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>process seal with moving parts</span>]process seal with moving parts
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>proof test</span>]proof test
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>protected optical fibre cable</span>]protected optical fibre cable
IEC 60079-28, ed. 2.0 (2015)
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IEC 60079-28, ed. 2.0 (2015)
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IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>protective gas</span>]protective gas
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>protective gas supply</span>]protective gas supply
IEC 60079-2, ed. 6.0 (2014)
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IEC 60079-6, ed. 4.0 (2015)
Hide details for pulsed transmissionpulsed transmission
IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>purging</span>]purging
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>quick-acting door or cover</span>]quick-acting door or cover
IEC 60079-1, ed. 7.0 (2014)
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IEC 60079-28, ed. 2.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
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IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>rated dynamic current</span>]rated dynamic current
IEC 60079-7, ed. 5.0 (2015)
Hide details for rated outputrated output
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>rated short-time thermal current</span>]rated short-time thermal current
IEC 60079-7, ed. 5.0 (2015)
Hide details for rated valuerated value
IEC 60079-0, ed. 6.0 (2011)
Hide details for rated voltagerated voltage
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for ratingrating
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>recalibration</span>]recalibration
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for receiverreceiver
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>receiver</span>]receiver
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for recognized type of protectionrecognized type of protection
IEC 60079-33, ed. 1.0 (2012)
Hide details for [<span>recovery time</span>]recovery time
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>relative density</span>]relative density
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>relaxation time</span>]relaxation time
IEC 60079-32-1, ed. 1.0 (2013)
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IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>remote sensor</span>]remote sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for replaceable battery packreplaceable battery pack
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>resistance</span>]resistance
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for [<span>resistance-heating</span>]resistance-heating
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>resistance-heating device</span>]resistance-heating device
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>resistance-heating unit</span>]resistance-heating unit
IEC 60079-7, ed. 5.0 (2015)
Hide details for restricted-breathing enclosure “nR”restricted-breathing enclosure “nR”
IEC 60079-15, ed. 4.0 (2010)
Hide details for retroreflectorretroreflector
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>retroreflector</span>]retroreflector
IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
Hide details for room volumeroom volume
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>safe failure</span>]safe failure
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>safe state</span>]safe state
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for safety devicesafety device
IEC 60079-6, ed. 4.0 (2015)
Hide details for [<span>safety device</span>]safety device
IEC 60079-2, ed. 6.0 (2014)
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>safety function</span>]safety function
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for sample linesample line
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>sample line</span>]sample line
IEC 60079-29-2, ed. 2.0 (2015)
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>sample point</span>]sample point
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>sample (sampling) system</span>]sample (sampling) system
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>sampling point</span>]sampling point
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for sampling probesampling probe
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>sampling probe</span>]sampling probe
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>sealed cell</span>]sealed cell
IEC 60079-7, ed. 5.0 (2015)
Hide details for sealed device “nC”sealed device “nC”
IEC 60079-15, ed. 4.0 (2010)
Hide details for sealed equipmentsealed equipment
IEC 60079-6, ed. 4.0 (2015)
Hide details for sealed gas-tight cell or batterysealed gas-tight cell or battery
IEC 60079-0, ed. 6.0 (2011)
Hide details for sealed valve-regulated cell or batterysealed valve-regulated cell or battery
IEC 60079-0, ed. 6.0 (2011)
Hide details for sealing devicesealing device
IEC 60079-15, ed. 4.0 (2010)
Hide details for sealing ringsealing ring
IEC 60079-0, ed. 6.0 (2011)
Hide details for secondary cell or batterysecondary cell or battery
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>secondary process seal</span>]secondary process seal
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>selectivity</span>]selectivity
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>semiconductor sensor</span>]semiconductor sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>sensing element</span>]sensing element
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>sensitivity</span>]sensitivity
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for sensorsensor
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>sensor</span>]sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for separationseparation
IEC 60079-15, ed. 4.0 (2010)
Hide details for separation elementseparation element
IEC 60079-26, ed. 3.0 (2014)
Hide details for series trace heater(s)series trace heater(s)
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for service temperatureservice temperature
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>shaft</span>]shaft
IEC 60079-1, ed. 7.0 (2014)
Hide details for sheathsheath
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for sheath temperaturesheath temperature
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>short-circuit current</span>]short-circuit current
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>SIL-capability</span>]SIL-capability
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for [<span>single point sensor</span>]single point sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>single process seal equipment</span>]single process seal equipment
IEC 60079-40, ed. 1.0 (2015)
Hide details for solid insulationsolid insulation
IEC 60079-18, ed. 4.0 (2014)
Hide details for [<span>solid insulation</span>]solid insulation
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>source of release</span>]source of release
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for spacings, electricalspacings, electrical
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>span</span>]span
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for special protection “s”special protection “s”
IEC 60079-33, ed. 1.0 (2012)
Hide details for special statespecial state
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>special state</span>]special state
IEC 60079-29-3, ed. 1.0 (2014)
Hide details for special toolspecial tool
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for spot-reading apparatusspot-reading apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>spot reading equipment</span>]spot reading equipment
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for stabilisationstabilisation
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for stabilized designstabilized design
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>stabilized design</span>]stabilized design
IEC 60079-7, ed. 5.0 (2015)
Hide details for stand-alone control unitstand-alone control unit
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for stand-alone gas detection apparatusstand-alone gas detection apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for start-up currentstart-up current
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>starting current ratio</span>]starting current ratio
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>static pressurization</span>]static pressurization
IEC 60079-2, ed. 6.0 (2014)
Hide details for [<span>stator winding</span>]stator winding
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>surface resistance</span>]surface resistance
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for [<span>surface resistivity</span>]surface resistivity
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for switching contact switching contact
IEC 60079-18, ed. 4.0 (2014)
Hide details for switching deviceswitching device
IEC 60079-6, ed. 4.0 (2015)
Hide details for symbol “U”symbol “U”
IEC 60079-0, ed. 6.0 (2011)
Hide details for symbol “X”symbol “X”
IEC 60079-0, ed. 6.0 (2011)
Hide details for system documentationsystem documentation
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for tap selectortap selector
IEC 60079-6, ed. 4.0 (2015)
Hide details for teetee
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for temperature control devicetemperature control device
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for temperature controllertemperature controller
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for temperature limiting devicetemperature limiting device
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for temperature range of the compoundtemperature range of the compound
IEC 60079-18, ed. 4.0 (2014)
Hide details for [<span>temperature self-limiting characteristic</span>]temperature self-limiting characteristic
IEC 60079-7, ed. 5.0 (2015)
Hide details for temperature sensor, (temperature sensing element)temperature sensor, (temperature sensing element)
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>teraohm meter</span>]teraohm meter
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for [<span>terminal</span>]terminal
IEC 60079-7, ed. 5.0 (2015)
Hide details for termination compartmenttermination compartment
IEC 60079-0, ed. 6.0 (2011)
Hide details for test porttest port
IEC 60079-15, ed. 4.0 (2010)
Hide details for test, routinetest, routine
IEC 60079-0, ed. 6.0 (2011)
Hide details for test, typetest, type
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>thermal conductivity sensor</span>]thermal conductivity sensor
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for thermal initiation timethermal initiation time
IEC 60079-0, ed. 6.0 (2011)
Hide details for thermal insulationthermal insulation
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>threaded door or cover</span>]threaded door or cover
IEC 60079-1, ed. 7.0 (2014)
Hide details for threshold energy, [<i>Z</i><sub>th</sub>]threshold energy, Zth
IEC 60079-0, ed. 6.0 (2011)
Hide details for threshold power,  [<i>P</i><sub>th</sub>]threshold power, Pth
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>time</span>]time
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>time of response</span>]time of response
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for time of response [<i>t</i>]([<i>x</i>]) (not applicable to spot-reading apparatus)time of response t(x) (not applicable to spot-reading apparatus)
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for time of response, [<i>t</i><sub>x</sub>]time of response, tx
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for toxic gastoxic gas
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>toxic gas</span>]toxic gas
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for trace heatertrace heater
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>trace heater</span>]trace heater
IEC 60079-7, ed. 5.0 (2015)
Hide details for trace heater padtrace heater pad
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for trace heater paneltrace heater panel
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for trace heater unit, (trace heater set)trace heater unit, (trace heater set)
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for trace heatingtrace heating
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for trace heating systemtrace heating system
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC/IEEE 60079-30-1, ed. 1.0 (2015)
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IEC 60079-29-4, ed. 1.0 (2009)
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IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>transmittance</span>]transmittance
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for transmittertransmitter
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>transmitter</span>]transmitter
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for [<span>transportable</span>]transportable
IEC 60079-7, ed. 5.0 (2015)
Hide details for transportable apparatustransportable apparatus
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for transportable equipmenttransportable equipment
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for [<span>transportable equipment</span>]transportable equipment
IEC 60079-29-2, ed. 2.0 (2015)
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IEC 60079-0, ed. 6.0 (2011)
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for type of protection "n"type of protection "n"
IEC 60079-15, ed. 4.0 (2010)
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IEC 60079-13, ed. 1.0 (2010)
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IEC 60079-13, ed. 1.0 (2010)
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IEC 60079-13, ed. 1.0 (2010)
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IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>unspecified process connected equipment</span>]unspecified process connected equipment
IEC 60079-40, ed. 1.0 (2015)
Hide details for [<span>upper flammable limit</span>]upper flammable limit
IEC 60079-29-2, ed. 2.0 (2015)
IEC 60079-2, ed. 6.0 (2014)
Hide details for upper flammable limit, UFLupper flammable limit, UFL
IEC 60079-13, ed. 1.0 (2010)
IEC 60079-29-1, ed. 1.0 (2007)
IEC 60079-29-4, ed. 1.0 (2009)
Hide details for useful working perioduseful working period
IEC 60079-35-2, ed. 1.0 (2011)
Hide details for [<span>valve-regulated cell or battery</span>]valve-regulated cell or battery
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>vapour</span>]vapour
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for vented cell or batteryvented cell or battery
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>vented cell or battery</span>]vented cell or battery
IEC 60079-7, ed. 5.0 (2015)
Hide details for [<span>ventilation</span>]ventilation
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for voidvoid
IEC 60079-0, ed. 6.0 (2011)
Hide details for [<span>volume</span>]volume
IEC 60079-1, ed. 7.0 (2014)
Hide details for volume fractionvolume fraction
IEC 60079-13, ed. 1.0 (2010)
Hide details for [<span>volume fraction</span>]volume fraction
IEC 60079-29-2, ed. 2.0 (2015)
Hide details for volume fraction (v/v)volume fraction (v/v)
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>volume resistivity</span>]volume resistivity
IEC 60079-32-1, ed. 1.0 (2013)
IEC 60079-32-2, ed. 1.0 (2015)
Hide details for warm-up time (not applicable to spot-reading apparatus)warm-up time (not applicable to spot-reading apparatus)
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for weather barrierweather barrier
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>width of flameproof joint</span>]width of flameproof joint
IEC 60079-1, ed. 7.0 (2014)
Hide details for working voltageworking voltage
IEC 60079-0, ed. 6.0 (2011)
Hide details for workpieceworkpiece
IEC/IEEE 60079-30-1, ed. 1.0 (2015)
Hide details for [<span>workpiece</span>]workpiece
IEC 60079-7, ed. 5.0 (2015)
Hide details for zero gaszero gas
IEC 60079-29-1, ed. 1.0 (2007)
Hide details for [<span>zero gas</span>]zero gas
IEC 60079-29-2, ed. 2.0 (2015)


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