Basic Electricals: Sector: Construction & Wood Working (For Centres of Excellence)
- Chennai National Instructional Media Institute (NIMI) c2008; 2009
- 90
Contents :
Practical
-Practice of using SWG and Micrometer -Practice of joints in single conductor -Make married and 'Tee 'Join in multi stranded conductor -Crimping lugs with cable ends -Solder a married joint by pot and ladle method -Fixing electrical accessories on sun mica board -Verify Ohm's law -Identification of AC & DC supply and their terminals -Verify the characteristics of DC series circuit -Verify the characteristics of DC series circuit -Grouping of cells -Charge a secondary battery -Measure energy in domestic and industrial circuits -Practice of connecting electrical appliances (celling Fan) -Wire up in cleat .To control two lamps by two independent S P T switches -Wire up in batten.To control one lamp by two different places -Wire up in PVC conduit .Lighting Circuit for godown -Test and locate faults in the domestic wiring installation and rectify them -Identify the terminals ,and verify ratio of transformation of single phase transformer
Theory
-Importance of electricity -Electrician's Hand Tools -OHM's Law -Series Circuit -Cell/ Batteries (Dry and wet ) -Secondary cell (Lead acid ) -Domestic energy meter -Electrical appliances -Electric kettle -Earthing -Type of earthing its uses and testing -Measurement of Earth Resistance -Electrical wiring system -Transformer