LAB MANUAL

Sub Code: 13054

Wiring

1. To control two lamps individually with a provision of MCB (to control the input) and use CFL.
2.  To execute Stair case wiring for G + 3 floors.
3. To prepare a wiring circuit to check the availability of R/Y/B phases using one lamp only by operating individual switches for each phase and test it.
4. To control 3 bells in series to ring together when any one of the 3 push button is pressed. (Emergency alarm circuit).
5. To connect a Single Phase Main Switch, Single Phase DOL Starter, and MCB (Miniature Circuit Breaker) to a Single phase motor load and run it.
6. To connect a 3 phase Main Switch, Star / Delta Starter, and ELCB (Earth Leakage Circuit Breaker) to a 3 phase motor load and run, with a provision for arrangement to trip the ELCB when a fault occurs.
7. To connect a 3 phase TPN main switch, 3 phase 4 way DB with a suitable load.
8. To prepare of Service Mains with single phase Energy Meter, Cutout, main switch, 4 way DB, indicator lamp, terminated with 3 sub-circuit mains.
9. To prepare a wiring circuit for connecting Sodium Vapour lamp and Mercury Vapour lamp with single phase supply.
10. To execute a Fluorescent Tube light connection with Electronic Choke and test it, also measure the voltage across the tube light fitting.
11. To construct a simple model to know the working of Neon Tube circuit used in advertising (With minimum 3 blocks).
12. To prepare a testing board to test electrical appliances with a necessary series, parallel supply provision, and indicator lamp, fuse unit.
    
    Winding
13. To wind 230/12-0-12 volt, 500 ma transformer and test it.
14. To design and wind No Volt Coil used in starter.
15. To wind and insert the starting / running coils of a Single phase induction motor, for a minimum of one pole.
16. To wind and insert stator coils of a 3 phase induction motor (Single layer / Double Layer), for a minimum of one pole.
17. To give end connection for a 3 phase induction motor winding for a 2 pole / 4 pole operations and run it. Measure the rotor speed, starting current and running current.
18. To wind and insert the coils for ceiling fan motor (minimum 2 coils).

Optional
To prepare a price list for various electrical wiring items and accessories.
To prepare a note on various insulation materials used in motor winding.