Basic knowledge of house wiring and transmission and distribution of electrical power, measuring instrument, i.e. Merger, Tachometers, Tongue Tester, Ohm Meter, Galvano Meter, Volt Meter, Ammeter, Energy Meter,, Frequency Meter, Power Factor Meter, Watt Meter, Avomenter (Their operation and functions.) Alternator and AC/DC with Motor with starter, Transformer and Rectifier, Illumination, Rewinding of different motors and arguments, House wiring and D.C. Generator Etc. Electronics Mechanic.