Published On: Thu, May 19th, 2022

Overview of Code Letters for Equipment Identification

Overview of Code Letters for Equipment Identification in Accordance with IEC Standards

Edited by Radoje Jankovic

PREGLED SLOVNIH OZNAKA OPREME:

Code Letter Kind of Item Examples

Slovna oznaka, vrsta uređaja, primeri

A – assemblies, subassemblies / SKLOPOVI, DELOVI UREDJAJA

amplifier with tubes or transistors, magnetic amplifier, laser, maser / POJAČAVAČI, MAGNETNI POJAČAVACI, LASERI, MASERI

B – transducers of non-electrical quantity to electrical quantity or vice verse / PRETVARAČI ELEKTRIČNIH VELIČINA U NEELEKTRIČNE I OBRAT.

thermo-electric sensors, photo-electric cells, proximity switches, resolvers, angle encoders, dynamometers, microphones, loudspeakers / TERMO-ELEKTRIČNI SONDE, FOTO-ELEKTRIČNE ĆELIJE, INDUKTIVNI SENZOR, ELEKTROMAGNETNI REZOLVERI, UGAONI ENKODERI, DINAMOMETRI, MIKROFONI, ZVUČNICI

C – Capacitors / KONDEZATORI

D – binary elements, delay devices, storage devices / BINARNI ELEMENTI, SKLOPOVI ZA MEMORIJU

combinative elements, bistabile elements, monostabile elements core-storage, magnetic tape recorder, disc recorder / BISTABILNI I MONOSTABILNI ELEMENTI, ELEMENTI ZA KASNJENJE, REGISTRI

E – miscellaneous / OSTALO

lighting devices, heating devices, devices not specified elsewhere in this table / SIJALICE, GREJAČI, OSTALI UREĐAJI KOJI NISU DEFINISANI U TABELI

F – protective devices / ZASTITNI UREDJAJI

fuses, overvoltage discharge devices, arrester / OSIGURAČI, UREDJAJI ZA ZAŠTITU OD PRENAPONA, LIMITERI

 K – relays, contactors / RELEJI, KONTAKTORI

L – inductors / INDUKTIVNOSTI

induction coil, line trap / INDUKCIONI KALEM, PRIGUŠNICE

M – motors / MOTORI

N – amplifier, regulator / POJAČAVAČI, REGULATORI

P – measuring equipments, testing equipments / UREĐAJI ZA MERENJE I TESTIRANJE

indicating, recording and integrating measuring devices, signal generators, clocks / INDIKATORI, UREĐAJI ZA SNIMANJE I MERENJE, GENERATORI SIGNALA, SATOVI

R – resistors / OTPORNICI

adjustable resistors, potentiometers, shunts, thermistors / FIKSNI OTPORNICI, POTENCIOMETRI, ŠANTOVI, TERMISTORI

S – switches, selectors / SKLOPKE, BIRAČI

control switches, push buttons, limit switches, selector switches / PREKLOPNICI, TASTERI, KRAJNJI PREKIDAČI, KOMANDNI PREKIDAČI

T – transformers / TRANSFORMATORI

potential transformers, current transformers / NAPONSKI TRANSFORMATORI, STRUJNI TRANSFORMATORI

U – modulators, changers / MODULATORI, PRETVARAČI

frequency converters, inverters, modulators, demodulators, discriminators, telegraph translator / FREKVENTNI REGULATORI, INVERTORI, MODULATORI, DEMODULATORI, DISKRIMINATORI, PREVODIOCI MORZEOVOG KODA.

V – tubes, semiconductors / ELEKTRONSKE CEVI, POLUPROVODNICI

electronic tubes, gas discharge tubes, diodes, transistors, thyristors /VAKUUMSKE I GASNE ELEKTRONSKE CEVI, DIODE, TRANZISTORI, TIRISTORI

W – cables, transmission paths, wave guides, aerials / KABLOVI, PRENOSNI

cables, jumpers, busbars, wave guides, wave guide directions coupler, aerials / KABLOVI, PUTEVI, TALASOVODI, ANTENE KRATKOSPOJNICI, SABIRNICE, TALASOVODI, ANTENE

X – terminals, plugs, sockets / STEZALJKE, KONEKTORI, UTIČNICE

terminal boards, terminal strips, disconnecting plugs and sockets, test jacks, soldering terminals / PRIKLJUČNE PLOČE, PRIKLJUČNE STEZALJKE, UTIČNICE I PRIKLJUČNICE, TEST KONEKTORI, PRIKLJUČCI ZA VARENJE.

Y – electrical operated mechanical devices / ELEKTRICNO POKRETANI MEHANICKI UREDJAJI

brakes, clutches, valves / KOČNICE, SPOJNICE, PNEUMATSKI VENTILI

Z – filters, equalizers, terminations, limiters / FILTRI, KOREKTORI, OGRANI ČAVAČI

cable balancing networks, LC filters, crystal filters.

About the Author

- Radoje - Rade Jankovic Electrician, Electrical Technician, Electrical Engineer, PhD, Ecologist, Environmentalist, Designer, Educator, Investigator... Today PROFESSIONAL TECHNICAL WRITER AND DOCUMENTATOR Massive practical experience in almost all fields of electrical engineering over 40 years. My International education group in Facebook: EEEW - ELECTRICAL & ELECTRONIC EDUCATION WORLD where published more than 8000 small or bigger articles, lessons, technical advice, projects, technical calculations, test questions with and without answers, illustrated test questions with and without answers; all my original works and few thousands of may original photos from practice, drawings, circuit diagrams, environmental lessons and examples from everyday practice etc., etc.

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Overview of Code Letters for Equipment Identification