ELECTRICAL INSTALLATION LEVEL II

INSTRUCTION

This paper consists of six (6) Questions

Attempt all six (6) Questions.

Time: 2 Hours

1. Define the following terms

                 i.          Joint kit

               ii.          Photo cell

             iii.          Stroboscopic effect

              iv.          Wire

                v.          Conductor

2. Define the following terms

                 i.          Earth electrode

               ii.          Earth

             iii.          Earth lead

              iv.          Earthing

                v.          Leakage

3. Explain the advantage of rising low power factor

4. Mention at least five [5] areas of steps involved during trouble shooting

5. Explain the three methods of rising low power factor

6.  i.Define the wiring system

ii.Mention five types of wiring systerm