Electrical Engineering Abbreviations – Vocabulary Flashcards

Vocabulary flashcards covering key electrical abbreviations and their meanings.

LT

Low Tension

HT

High Tension

PF

Power Factor

LDF

Load Distribution Factor

DF

Diversity Factor

UOM

Unit of Measurement

LPF

Low Power Factor

EHV

Extra High Voltage

OH

Overhead

REC

Rural Electrification Corporation

BOM

Bill of Materials

RJS

Rolled Steel Joist

PP

Polypropylene Ropes

PPE

Personal Protective Equipment

FRP

Fiberglass/Fiber Reinforced Plastic

HVDS

High Voltage Distribution System

LVDS

Low Voltage Distribution System

LA

Lightning Arrestors

SS

Substation

DTR

Distribution Transformer

SERCs

State Electricity Regulatory Commissions

AB Cable

Aerial Bunched Cable

RCC

Reinforced Cement Concrete

UG

Underground

RCC Pole

Reinforced Cement Concrete Pole

PSC Pole

Pre-Stressed Cement Concrete Pole

FAT

Factory Acceptance Testing

BIS

Bureau of Indian Standard

AAC

All Aluminium Conductor

AAAC

All Aluminium Alloy Conductor

ACSR

Aluminium Conductor, Steel Reinforced

ACAR

Aluminium Conductor, Alloy Reinforced

EC Grade

Electrical Conductor Grade

PG Clamps

Parallel Groove Clamps

MV

Medium Voltage

FPI

Fault Passage Indicator

O&M

Operation and Maintenance

ACRs

Automatic Circuit Reclosers

CB

Circuit Breaker

SCADA

Supervisory Control and Data Acquisition

ROW

Right of Way

R.OP Time

Recloser Opening Time

S.OP Time

Sectionalizer Opening Time

XLPE Conductor

Cross-Linked Polyethylene Conductor

PE Conductor

Protective Earth Conductor

PVC Cables

Polyvinyl Chloride Cables

IR Test

Infrared Test

IPC

Insulation Piercing Connectors

AA

Anchoring Assembly

SA

Suspension Assembly

HV

High Voltage

GOS

Gang Operated Switch

DP

Distribution Panel

RMU

Ring Main Unit

GTP

Guaranteed Technical Particulars

DCDB

DC Distribution Box

UPS

Uninterruptible Power Supply

PFCC

Power Factor Correction Capacitors

CSS

Compact Substation

FRTU

Feeder Remote Terminal Unit

BOQ

Bill of Quantities

SOE

Standard Operating Environment / Sequence of Events

DCPS

DC Power Supply

IT

Information Technology

OT

Operational Technology

PLC

Programmable Logic Controller

HMI

Human Machine Interface

LAN

Local Area Network

RTU

Remote Terminal Unit

IEDs

Intelligent Electronic Devices

DCS

Distributed Control System

MFM

Multi-Function Meter

DCU

Data Concentrator Unit

GPRS

General Packet Radio Services

DMS

Distribution Management System

MPLS

Multiprotocol Label Switching

VPN

Virtual Private Network

RVDU

Remote Visual Data Unit

R-APDRP

Restructured Accelerated Power Development and Reforms Programme

NMS

Network Management System

DTS

Dispatcher Training Simulator

VDU

Visual Display Unit

ISR

Information Storage and Retrieval

ICCP

Inter-Control Center Communications Protocol

SLDC

State Load Dispatch Centre

RTD

Remote Terminal Device

SONET

Synchronous Optical Network

SDH

Synchronous Digital Hierarchy

WAN

Wide Area Network

SNMP

Simple Network Management Protocol

DNP

Distributed Network Protocol

IEC

International Electrotechnical Commission

FTTH

Fibre to the Home

FTTP

Fibre to the Premises

FTTC

Fibre to the Curb

FTTB

Fibre to the Building

HDPE

High-Density Polyethylene

FDMS

Fibre Distribution Management System

ODF

Optical Distribution Frame

OTDR

Optical Time Domain Reflectometer