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



SF6 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 With Over-Current 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 (For Earthing)

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 And 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=                              Kilo Watt

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 and Asynchronous Receiver and 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

XLPE=                           Cross-linked Polyethylene

OK
Oll Korrect.(jokey misspelling of “All Correct”)
AKA
Also Known As
BTW
By the Way
DIY
Do it Yourself
FAQ
Frequently asked Questions
WTF
What the Fuck
WTH
What the Hell / What the Heck
WFM
Works for Me
LOL
Laughing Out Loud / Laugh Out Loud
AMA
Ask Me Anything
A2A
Ask to Answer
DM
Direct Message
PM
Private Message
QA Session
Question Answer Session
ICYMI
In Case You Missed It
IMO / IMHO
In My Opinion / In My Humble Opinion
TL;DR
Too Long; Didn’t Read
TIL
Today I Learned
P.S
Post Script
TY
Thank You
TQ
Thank You
AM
Anno Meridian
PM
Post Meridian
PAN
Permanent Account Number.
NRI
Non-Resident Indian
CTC
Cost To Company
NEFT
National Electronic Funds Transfer
BPO
Business Process Outsourcing
SMS
Short Messaging Service
PhD
Doctor of Philosophy
i.e
Id Est (That is to say)

Hardware Parts

AMD
Advanced Micro Devices
ATA
Advanced Technology Attachment
ATX
Advanced Technology Extended
CD
Compact Disc
CD-ROM
Compact Disc-Read-Only Memory
CD-RW
Compact Disc-Rewritable
Computer
Commonly Operated Machine Particularly Used In Technical And Educational Research
CPU
Central Processing Unit
DVD
Digital Versatile Disc
DVD-ROM
Digital Video Disc-Random Access Memory
DVD-ROM
Digital Video Disc-Read Only Memory
DVD-R
Digital Video Disc-Recordable
DVD-RW
Digital Video Disc-Rewritable
DDR
Double Data-Rate
DDR RAM
Double Data-Rate Random Access Memory
FDD
Floppy Disk Drive
HDD
Hard Disk Drive
HDMi
High Definition Media Interface
IDE
Integrated Drive Electronics
LCD
Liquid Crystal Display
LED
Light Emitting Diode
RAM
Random Access Memory
ROM
Read Only Memory
HDD
Hard Disk Drive
FDD
Floppy Disk Drive
PCI
Peripheral Component Interconnect
SSD
Solid State Disk
SMPS
Switch Mode Power Supply
USB
Universal Serial Bus
VGA
Video Graphics Array
VRAM
Video Random Access Memory

Networking

2G
Second generation of mobile phone standards and
technology
3G
Third generation of mobile phone standards and t
echnology
4G
4th generation of mobile phone standards and t
echnology
FTP
File Transfer Protocol
GPRS
General Packet Radio System
GSM
Global System For Mobile Communications
IMAP
Internet Message Access Protocol
LAN
Local Area Network
IP
Internet Protocol
IPCONFIG
Internet Protocol Configuration
MAC
Media Access Control
MAN
Metropolitan Area Network
POP
Post Office Protocol
POP3
Post Office Protocol 3
PPP
Point-To-Point Protocol
PPTP
Point-to-Point Tunneling Protocol
NetBIOS
Networked Basic Input Output System
NetBEUI
Networked Basic Input/Output System Extended User Interface
SMTP
Simple Mail Transport Protocol
VPN
Virtual Private Network
WAN
Wide Area Network
WAP
Wireless Application Protocol
WIFI
Wireless Fidelity
WLAN
Wireless Local Area Network


Inside Computer

API
Application Programming Interfaces
BIOS
Basic Input/Output System
CMOS
Complementary Metal-Oxide Semiconductor
DNS
Domain Name Service Or Domain Name Server
DPI
Dots Per Inch
DVI
Digital Visual Interface
FAT
File Allocation Table
FAT12
12-Bit File Allocation Table
FAT16
16-Bit File Allocation Table
FAT32
32-Bit File Allocation Table
FPS
Frame Per Second
EMI
Electromagnetic Interference
GB
Gigabyte
GBps
Gigabytes per second or Gigabits per second
GHz
Gigahertz
GUI
Graphical User Interface
I/O
Input & Output
Mbps
Mega Bytes Per second
KBps
Kilo Bytes Per Second
KB
Kilobyte
MB
Megabyte
GB
Gigabyte
TB
Terabyte
4 Bits
1 Nibble
8 Bits
1 Byte
1024 Bytes
1 Kilo Byte ( KB )
1024 KB
1 Mega Byte ( MB )
1024 MB
1 Gyga Byte ( GB )
1024 GB
1 Tera Byte ( TB )
1024 TB
1 Peta Byte ( PB )
1024 PB
1 Exa Byte ( EB )
1024 EB
1 Zetta Byte ( ZB )
1024 ZB
1 Yotta Byte ( YB )
MHz
Megahertz
MP3
Moving Picture Experts Group Layer 3 Audio
MPEG
Moving Picture Experts Group
MSCONFIG
Microsoft Configuration
NTFS
New Technology File System
NTLDR
New Technology Loader
OMR
Optical Mark Recognition
RGB
Red Green Blue
TXT
TEXT
SD
SECURE DIGITAL
PC
Personal Computer
OS
Operating System
VDU
Visible Display Unit
XGA
Extended Graphics Array
ZIP
Zigzag Inline Package


Internet Related

HTML
Hypertext Markup Language
HTTP
Hypertext Transfer Protocol
HTTPS
Hypertext Transfer Protocol Over Secure Sockets Layer
PHP
Hypertext Preprocessor
XML
Extensible Markup Language
CSS
Cascading Style Sheets
SASS
Syntactically Awesome Style Sheets
JS
JavaScript
AJAX
Asynchronous JavaScript And XML
PERL
Practical Extraction and Reporting Language
UI
User Interface
UX
User Experience
ASP
Active Server Pages
RSS
REALLY SIMPLE SYNDICATION
SQL
Structured Query Language
NET
Internet
WP
WordPress
WWW
World Wide Web


Softwares

Ps
Photoshop
Ai
Illustrator
Lr
Lightroom
Be
Behance
T
Typekit
Au
Adobe Audition
Br
Bridge
Co
Edge Code
Fw
Fireworks
Ic
InCopy
Mu
Adobe Muse
Bc
Business Catalyst
In
Edge Inspect
Fb
Flash Builder
Id
InDesign
Pl
Prelude
Pr
Premiere Pro
CC
Creative Cloud
Rf
Edge Reflow
Fl
Flash Professional
P
Prosite
Sc
Adobe Scout
Wf
Edge Web Fonts
Sg
SpeedGrade
Ae
After Effects
Dw
Dreamweaver
Bd
PhoneGap Build
St
Story Plus
W
Winword
X
Excel
O
Outlook
P
PowerPoint
N
OneNote
A
Access


Other Technologies

ATM
Asynchronous Transfer Mode
IT
Information Technology
IEEE
Institute Of Electrical And Electronics Engineers
ISO
International Standards Organization
POST
Power ON Self Test


Top Brands Full Forms

GOOGLE
Google is not an abbreviation.
YAHOO
Yet Another Hierarchical Officious Oracle
INTEL
Integrated Electronics
LG
Life’s Good
IBM
International Business Machines Corporation
HP
Hewlett-Packard
IBM
International Business Machines
AUDI
Auto Union Deutschland Ingolstadt
BMW
Baverian Motor Works
AMW
Asian Motor Works
CNN
Cable News Network
IBN
Indian Broadcasting Network
WIPRO-
Western Indian Products
MRF
Madras Rubber Factory
TVS
T.V Sundaram(Co-Founder)
BBC
British Broadcasting Corporation
AMUL
Anand Milk Union Limited
ICICI
Industrial Credit and Investment Corporation of India
ESPN
Entertainment and Sport Programming Network
KFC
Kentucky Fried Chicken
TED
Technology, Entertainment and Design
IMDb
The Internet Movie Database
ISD
International Subscriber Dialing
Adidas
Adolf ‘ Adi’ Dassler
DELL
Digitle Electronic Link Library
ACER
Acquisition Collaboration experimentation Reflection
ONGC
Oil & Natural Gas Corporation

Domain Name Extensions

.com
Commercial Internet Sites
.net
Internet Administrative Site
.org
Organization Site
.edu
Education Sites
.firm
Business Site
.gov
Government Site
.int
International Institutions
.mil
Military Site
.mobi
Mobile Phone Site
.int
International Organizations
.io
Indian Ocean (British Indian Ocean Territory)
.mil
U.S. Military
.gov
Government
.store
A Retail Business
.web
Internet Site that is about the World Wide Web
.in
India
.au
Australia
.ae
Arab Emirates
.sa
Saudi Arabia
.us
United States
.uk
United Kingdom
.kh
Cambodia
.th
Thailand
.cn
China
.vn
Vietnam
.jp
Japan
.sg
Singapore
.nz
New Zealand
.my
Malaysia


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