• Duties of Electricity
• Safety precautions
• Necessity of safety
• Safety precautions
• Safety signs
• Prohibition signs
• Mandatory signs
• Warning signs
• Information signs
• Electrical safety
• First aid in Electrical shop
• Electric shock
• Effects of electric shock
• Treatment of electric shock
• Prompt treatment is essential
• Electrical burns
• Burns and scalds
• Severe bleeding
• Immediate action
• To control severe bleeding
• Large wound
• Fire accident
• Fuel
• Heat
• Oxygen
• Preventing fires
• Electrical symbols

Electrician’s Hand Tools

• Pliers
• Long nose pliers
• Care and maintenance of pliers
• Screwdriver BIS 844 (FIG3)
• Screwdriver – Philips
• Care and maintenance
• Neon ester
• Care and maintenance
• Electrician’s knife
• Care and maintenance
• Bradawl Square pointed (or poker)
• Gimlet
• Rawl plug tool bit
• Hand drill
• Portable Electric drilling machine
• Electric soldering copper copper bit
• Standard wire gauge (SWG)
• Outside micrometers
• Ranges of outside micrometers
• Ranges of outside micrometer
• Frame
• Barrel/sleeve
• Thimble
• Spindle
• Anvil
• Spindle lock nut
• Ratchet stop
• Reading micrometer measurements
• Conductors and Insulators
• Conductors
• Insulators
• Examples of conductor
• Partial conductor
• Examples of insulator
• Types of cable
• Flexible core
• Heavy Duty Cable
• PVC cables advantages
• Size of conductors
• Selection of cables
• Uses of wires and cables  
• Lead Sheathed wire
• Weather proof wire
• Flexible wires
• ACSR (Aluminium conductor steel Reinforced)
• Hard drawn bare copper conductor
• Eurekawire
• Nichrome wire
• Enameled wire
• Joints in electrical conductors
• Definition of joint
• Types of joints
• Pig – tail/Rat – tail/Twisted joint
• Married joint
• Tee joint
• Britannia joint
• Britannia tee joint
• Western union joint
• Scarfed joint
• Tap joint in single stranded conductors of diameter 2mmm or less
• Plain tap joint
• Aerial tap joint
• Knotted tap joint 
• Duplex cross  - tap joint 
• Doubles – cross  tap joint

Electrical accessories 

• Electrical  accessories
• Rating of accessories
• Mounting of accessories
• Surface  Mounting type
• Flush – mounting type
• Controlling accessories
• Types of switch according to their function and place of use
• Double pole iron- clad main switch
• Holding accessories
• Lamp- holders
• Safety accessories
• Types of fuses
• Kit- kat type fuses
• Advantages
• Socket outlet current rating
• Two- pin socket
• Two- pin plug
• Three- pin Socket
• Three- pin plug
• General accessories
• Ceiling roses
• Miniature circuit breaker
• Earth Leakage Circuit Breaker (ELCB)
• Triple (three) pole iron- clad main switch

Ohm’s Law

• Definitions EMF/ Pd/ Voltage
• Current
• Resistance
• Ohm’s Law states
• Electric Circuit
• Work, Power and Energy
• Work
• Force
• Power
• Horsepower
• Energy

Series Circuit

• Characteristics of series circuit
• Uses of series connection

Parallel Circuit

• Common Uses
• Solution
• Series and Parallel Circuit

Cell/ Batteries (Dry and Wet)

• Cell
• Primary Cells
• Dry Cell
• Grouping of Cells
• Series and Parallel cell connections
• Parallel connection
• Series Parallel connection

Secondary cell

• Secondary cell
• Terms and definitions
• Electrolyte
• Electrodes
• Anode
• Electrolysis
• Lead acid cell
• Container
• Plates
• Plante plates
• Faure plate
• Separators
• Post terminal
• Electrolyte

Domestic energy meter

• Necessity of energy meter
• Parts of function of energy meter
• Iron core
• Potential Coil(voltage coil)
• Current coil
• Disc
• Spindle
• Permanent magnet/ braking magnet
• Functioning of energy meter
• Meter constant
• Industrial energy meter
• 3-phase energy meters
• Two element 3-phase energy meters
• 3-element 3-phase energy meter
• Application of 3-phase energy meter

Electrical appliances- Electric kettle

• Saucepan type
• Immersion type
• Electric iron (non- automatic)
• Type of irons
• Working principle of an electric iron and its parts
• Food mixer
• Ceiling fan
• Construction
• Regulator
• Earthing- Types of earthing, its uses and testing
• Necessity of earthing
• System earthing
• Equipment earthing
• Special requirements earthing
• Earth
• Earth
• Earth electrode
• Case 1 Metal body of apparatus when not earthed
• Case 2 Metal body of apparatus when earthed
• General
• Rod and Pipe electrodes
• Plate electrodes
• Measurement of Earth Resistance
• Necessity of measuring of earth electrode resistance
• Principle
• Construction and working of earth tester Megger
• Method of earth resistance measurement
• Electrical wiring system
• Types of wiring
• Durability
• Safety
• Cost
• Appearance
• Accessibility
• Cleat wiring
• Porcelain cleats
• Wires
• Gitties
• Screws
• Round blocks and board
• Accessories
• Uses
• Casing and capping wiring
• C.T.S/T.R.S batten wiring
• Lead covered cable wiring
• Conduit pipe wiring
• Surface conduit pipe wiring
• Concealed conduit pipe wiring

Transformer

• Primary and Secondary
• Construction
• Advantages of a transformer
• Types of transformers
• Berrytype transformers
• Classification of transformer
• Distribution of transformer
• Power transformer

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Junior-Electrician