Electrical Abbreviations, Electrical Abbreviation Full Forms, Electrical Components, Electrical Components Full Forms, Electrical, Components, Basic Electrical, Electrical Full Forms,

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HT = High Tension (Transformer HT Side)

 LT = Low Tension

AB Switch = Air Break Switch

DO Fuse = Drop Out Fuse

 ACB = Air Circuit Breaker

VCB = Vacuum Circuit Breaker

S-F-6 Circuit-Breaker = Sulphur-Hexafluoride-Circuit-Breaker

ACDB = Alternating Current Distribution Board

DCDB = Direct Current Distribution Board

PDB = Power Distribution Board

MPDB = Main Power Distribution Board

PCC = Power Control Centre

MCC = Motor Control Centre

MCP = Motor Control Panel

VVVF = Variable Voltage Variable Frequency Drive

VSD = Variable Speed Drive

DOL = Direct On Line

RDOL = Reverse Duty On-Line

MLDB = Main Lighting Distribution Board

SLDB = Secondary Lighting Distribution Board

EMLDB = Emergency Lighting Distribution Board

CPSS = Construction Power Substation

DSS = Distribution Power Substation

RCC = Remote Control Cables

MCB = Miniature Circuit Breaker

MCCB = Moulded Case Circuit Breaker

MPCB = Motor Protection Circuit Breaker

EMPR = Electronic Motor Protection Relay

RCCB = Residual Current Circuit Breaker

RCBO = Residual Current Circuit Breaker-Overload Protection

ELCB = Earth Leakage Circuit Breaker

HRC = Fuse High Rupture Capacity Fuse

OLTC = On Load Tap Changer

FCMA = Flux Compensated Magnetic Amplifier

UPS = Un-Interrupted Power Supply

SMF Battery = Sealed Maintenance-Free Battery

JB = Junction Box

 PB = Push Button

TB = Terminal Box

LCB = Local Control Board

LCS = Local Control Station

SPNDB = Short Circuit Protection-Neutral Distribution Board

TPNDB = Three Phase-And-Neutral Distribution Board

CT = Current Transformer

 PT = Potential Transformer

SCIM = Squirrel Cage Induction Motor

ACVS = Air Conditioning And Ventilation System

FDA = Fire Detection And Alarm

PCS = Pull Cord Switch

ZSS = Zero Speed Switch

BSS = Belt Sway Switch

NO = Normally Opened

NC = Normally Closed

TEFC = Total Enclosed Fan Cooled

TESC = Totally Enclosed Surface Cooled

ISMC = Indian Standard Medium Weight Channel

GI Busbar = Galvanized Iron Bus Bar

PLC = Programmable Logic Controller

DCS = Distributed Control System

MPI = Multi-Point Interface

DP = Distributed Peripheral

SCADA = Supervisory Control And Data Acquisition

HART = Highway Addressable Remote Transducer

HMI = Human Machine Interface

MMI = Man Machine Interface

VDU = Visual Display Unit

RIO = Remote Input Output

TCP/IP = Transmission Control Protocol-Internet Protocol

CFC = Continuous Function Chart

SFC = Sequential Function Chart

PID Control = Proportional Integral Other Derivative Control

RAM = Random Access Memory

ROM = Read-Only Memory

PROM = Programmable Read-Only Memory

EPROM = Erasable Programmable Read-Only Memory

EEPROM = Electrically Erasable Programmable Read-Only Memory

RTD = Resistance Temperature Detector

A = Ampere

AAAC = All Aluminum Alloy Conductor

AAC = All Aluminum Conductor

AC = Alternating Current

ACDB = Alternating Current Distribution Board

ACSR = Aluminum Conductors Steel Reinforced

ADC = Analog To Digital Converter

AFCI = Arc Fault Circuit Interrupter

AH = Ampere Hour

AHU = Air Handling Unit

AIC = Ampere Interrupting Capacity

AL = Aluminum

ATS = Automatic Transfer Switch

AWG = American Wire Gauge

 C = Capacitance

CKT = Circuit

CPT = Control Power Transformer

CT = Current Transformer

DAC = Digital To Analog Converter

DB = Distribution Board

Db = Decibel

DC = Direct Current

DCDB = Direct Current Distribution Board

DOL = Direct ON Line

DP = Double Pole

DPIC = Double Pole Iron Clad

EF = Exhaust Fan

ELCB = Earth Leakage Circuit Breaker

F = Fuse

F = Farad

FBT = Fly back Transformer

FLA = Full Load Amperes

FMC = Flexible Metal Conduit

GDT = Gas Discharge Tube

GFCI = Ground Fault Circuit Interrupter

GIS = Gas Insulated Switchgear

GN = Ground

HT = High Tension

HZ = Hertz

I = Current

ICDB = iron Clad Distribution Board

ICSP = In Circuit Serial Programming

IG = Isolated Ground

IMC = Intermediate Metal Conduit

KV = Kilo Volts

KVA = Kilo Volt Amperes

Kvar = Kilo Volt Amperes Reactive

KW = KiloWatt

KWH = Kilo Watt Hour

L = Inductance

LA = Lightning Arrester

LED = Light Emitting Diode

LDR = Light Dependent Resistor

LOPT = Line Output Transformer

LT = Low Tension

LVDT = Linear Variable Differential Transformer

MCB = Miniature Circuit Breaker

MCC = Motor Control Center Panel

MCCB = Molded Case Circuit Breaker

MCP = Motor Circuit Protection

 MF = Multiplying Factor

MISO = Master Input Slave Output

MOSI = Master Output Slave Input

MOV = Metal oxide varistor

MS = Main Switch

MVA = Mega Volt Amperes

Mvar = Mega Volt Amperes Reactive

MW = Megawatt

NC = Normally Closed

NCT = Neutral Current Transformer

NL = Neutral Link

NO = Normally Open

P = Pole

PB = Push Button

PCC = Power Control Centre Panel

PT = Potential Transformer

PVC = Poly Vinyl Chloride

Q = Charge

 R = Resistance

RCCB = Residual Current Circuit Breaker

 RCD = Residual Current Device

RFID = Radio Frequency Identification

RMC= Rigid Metal Conduit

RMG = Ring Main Gear

RMU = Ring Main Unit

RNC = Rigid Non Metallic Conduit

SB = Switch Board

SCK = Serial Clock

SCR = Silicon Controlled Rectifier

SFU = Switch Fuse Unit

SP = Single Pole

SPDT = Single Pole Double Throw

SPI = Serial Peripheral Interface

SPST = Single Pole Single Throw

SPT = Stranded Parallel Thermoplastic

STR = Statimax Trip Release

SW = Switch

SWG = Standard Wire Gauge

TTL = Transistor-Transistor Logic

TMCB = Thermal Magnetic Circuit Breaker

TPDT = Triple Pole Double Throw

TPIC = Triple Pole Iron Clad

TPS = Triple Pole Switch

TPST = Triple Pole Single Throw

TRS = Tough Rubber Sheathed

TVS-Diode = Transient Voltage Suppression Diode

UART = Universal Asynchronous Receiver and Transmitter

UDS = Uniform Drawing System

 UG = Under Ground

USART = Universal Synchronous Other Asynchronous Receiver Or Transmitter

USB = Universal Serial Bus

V = Volts

VA = Volt Ampere

Var = Volt Ampere Reactive

VCB = Vacuum Circuit Breaker

VIR = Vulcanized Indian Rubber

VT = Voltage Transformer

W = watt