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Sources

Battery Cell

Battery

DC Power Supply

Variable DC Power Supply

AC Power Supply

Resistors

Variable Resistor

Potentiometer, Voltage Divider

Light Dependent Resistor (LDR)

Filament Bulb

Thermistor

Fuse

Capacitors

Variable Capacitor

Polarised Capacitor, Electrolytic Capacitor

Transformers

I

Iron-cored Transformer (two Secondary Windings)

Diodes

Junction Diode

Zener Diode

Photo Diode

Light Emitting Diode (LED)

Diode Bridge

Transistors

npn transistor

pnp Transistor

n-Type Junction Field Effect Transistor (NJFET)

p-Type Junction Field Effect Transistor (PJFET)

Integrated Circuits

Integrated Circuit (IC)

Meters

Ammeter

Voltmeter

Galvanometer

Cathode Ray Oscilloscope (CRO)

Amplifiers

Voltage Amplifier

Operational Amplifier (Op-Amp)

Transducers

Motor

Microphone

Loudspeaker

Concealed Wiring

Conduit Wiring

Direct Concealed Wiring

Multiple Conductor Line

Tanking Wiring

Cable Termination

Branching Box

Electrical Appliance

Telecom Indication Socket Outlet

Arial Socket Outlet of TV and Radio

Florescent Lamp

Electric Bell

Electric Door Opener

Buzzer

Current Impulse Switch

Electric Line Permanent Point

One Way Single Pole Switch

One Way Two Pole Switch

Two Way Single Pole Switch

Intermediate Switch

Push Button Switch

Single Lamp

Dreamer Switch

Single Socket Outlet

Double Socket Outlet

Arial

Surface Wiring

Electric Motor

Electric Heater

Electric Water Heater

Electric Cooking Range

Refrigerator

Electrical Wiring Connection Symbol/Mark

Terminal Strip

Branching Box

Earthing

Electric Fuse

Electric Lamp

Socket Outlet

Electric Motor, Single Phase

Electric Motor, Three Phase

Electric Cell

Thermal & Electro magnetic trippers switch three Pole

Electric Measuring Instrument

Volt Meter

Electromagnetic Tripper Switch Single Pole

Magnetic Conductor with three Main Conduction

Washing Machine

Dish Washing Machine

Electric Meter

House Connection Box

Push Button Switch

Florescent Lamp’s Choke Coil

Starter of Florescent Lamp

Resistor

Inductance

Capacitor

Stair Case Time Switch

Rectifier

Transformer

Thermal Tripper Switch, Single Pole

Thermal Tripper Switch Three Pole

Main Switch

Electric Door Opener

Ear Phone

Power Pack

Circuit Breaker (MCCB)

Limit Switch

Electromagnet Conductor

Electromagnet Relay

Time Lag Relay

Generator DC

Generator AC

Motor AC & DC

Ampere Meter

Manual Multiple Switch single pole.Four way shown in single way.

Microphone

Loudspeaker

Electro Magnetic

Phase Line

Proper connection Line

Neutral Line

Earth Line

Signal Line

Distribution Box/Panel Board

Thermal Relay

Ceiling Rose

Magnetic Conductor Tripper Three Main Contact

Change Over Switch

Wire Overlay Crossing

Plug and Socket

Two-pin Plug socket(with & without switch)

Three-pin Plug socket(with & without switch)

Ceiling Lamp Outlet

Wall Lamp Outlet

Ceiling Fan

Bracket Fan

Exhaust Fan

Fan Regulator

Indicator Switch

Electromagnet Relay

Lamp (with Bracket)

AC Current

Direct and Alternating Current

Movable Iron Type Machine

Main Fuse Board (without Switch)

Main Fuse Board (with Switch)

Switchless Distribution Fuse Board

Distribution Fuse Board(with switch)

Air Circuit Breaker

Oil Circuit Breaker

Relay

Lighting Arrester

Starter (Motor)

Star Delta Starter

Emersion Heater

Hanging Lamp

Water Type Lamp

DC Current

Movable Permanent Magnetic Type Machine

Battery