4.1 Study, demonstration and identification of common electrical materials such as
wires, cables, switches, fuses, ceiling roses, PVC Conduits, PVC Channels and
allied items, tools along with electrical instruments such as voltmeter, ammeter
and multimeter
4.2 Study of electrical safety measures and demonstration about use of protective
devices such as fuses, MCBs, ELCBs and relays including earthing
4.3 Identification of phase, neutral and earth of domestic appliances and their
connection to two pin/three pin plugs.
4.4 Preparation of a house wiring circuit on wooden board using fuse, switches,
socket, holder, ceiling rose etc. in PVC conduit and PVC casing and capping
wiring system
4.5 Study of common electrical appliances such as electric iron, electric kettle,
ceiling fan, table fan, electric mixer, electric Geyser, gas geyser, desert cooler,
Heater, refrigerator, water purifier
4.6 Introduction to lead-acid battery, identification of parts and its working.
4.7 Installation of inverter with battery and to connect two or more batteries in series
and in parallel (knowledge of a.c. and d.c.)
4.8 Charging of a battery and testing it with the help of hydrometer and cell tester