Ammeter
Voltmeter
Ohmmeter
Wattmeter
Ohm's Law
Hook's Law
Boyle's Law
Newton's Law
Colour refers the current rating
Colour refers the voltage rating
Easy identification of each circuit
Refers the size of the wire
Capacitor
Resistor
Insulator
Conductor
Ignition coil
Spark plug
Condenser
High Tension Cable
