电气英语证书考试(pec)-电气自动化专用术语

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1、电气英语证书考试(PEC)-GlossaryofElectricalEngineeringandAutomation100BaseT - AsynonymfortheFastEthernetnetworkstandard.The"100"referstoamaximumdata-transferrateof100megabitspersecondovertwistedpair,copperwire.10BaseT - AsynonymfortheFastEthernetnetworkstandard.The"10"referstoamaximumdata-transf

2、errateof10megabitspersecondovertwistedpair,copperwire.10K - AgradelevelBoxorCoverrating.See"IncidentalLightTraffic".1A - 1NormallyOpen1B - 1NormallyClosed20A - ACaliforniarulingthathastheinvestorownedutilitiesperformingtheunder-groundingofelectricalcables.Thefundstoperformtheworkarederi

3、vedfromratesandgointoasinkingfundthatisusedatthediscretionofthemunicipalitytheelectric20B - ACaliforniarulingthathastheinvestorownedutilitiesperformingtheunder-groundingofelectriccables.Thefundstoperformthisworkarederivedfromacombinationofratesandthedeveloperofthelandthelineison.Thiswor

4、kisdoneatthedi20C - ACaliforniarulingthathastheinvestorownedutilitiesperformingtheunder-groundingofoverheadelectricalcables.Thefundstoperformthisworkarederivedfromthedeveloperofthelandthelineison.20K - AgradelevelBoxorCoverrating.See"OccasionalTraffic".2S1W - TwoSpeed,1Winding(motor).2S

5、2W - TwoSpeed,2Winding(motor).3Phase - See"ThreePhase"and"Polyphase"600Volt - Electricalsystems,cablesorservicedesignedtobeoperatedunder1000Volts.600V-UD - 600VoltUndergroundDistributionCable.802.11a - AspecificationforawirelessLANthatoperatesinthe5GHzfrequencyrangeandprovidesadatatrans

6、missionrateof54Mbpsusingspreadspectrumtechnology.802.11b - AspecificationforawirelessLANthatoperatesinthe2.4GHzrangeandprovidesadatatransmissionrateof11Mbpsusingspreadspectrumtechnology.ThisspecificationwasknownasWi-Fibutthetermnowappliesto802aand802gaswell.802.11g - Aspecificationforaw

7、irelessLANthatoperatesinthe2.4GHzfrequencyrangeandprovidesadatatransmissionrate,overshortdistances,of54Mbpsusingorthogonalfrequencydivisionmultiplexing(OFDM)technology.802.1x - AsecuritystandardforwiredandwirelessLANs.AA - 1)Amperes;Amps.2)Area.ForcablesAreaisexpressedinCircula