Page 128 - CITS - Electrician - Trade Practical
P. 128

ELECTRICIAN - CITS


                                       MODULE 10: Illumination,Connection of
                                                              Electrical  Lights

           EXERCISE 54 : To connect and test different types

                                      Electric lamps

            Objectives

           At the end of this exercise you shall be able to:
           •  identify the different types of electric lamps, their construction & ratings
           •  connect and test all kinds of electric lamps
           •  check the illumination of lamps.

           Requirements

           Tools/Equipments/Instruments
           •  Combination Plier 165mm,                          •  HPMV lamp fitting with ballast,
              insulated                     -1 No.                capacitor 150 W, 230 V            -1 No.
           •  Screw Driver 150mm, insulated                     •  HPSV lamp fitting with ballast,
              stem                          -1 No.                igniter 150 W, 230 V              -1 No.
           •  Neon Tester 75mm, 500 V       -1 No.              •  Halogen lamp fitting 500 W, 230 V   -1 No.
           •  Electrician knife Insulated    -1 No.             •  CFL light fitting 36 W, 230 V     -1 No.
           •  Multi meter Digital, 3  digit   -1 No.            •  LED Bulbs Assorted rating        -3 No’s.
                                1/2
           Materials/Components                                 •  LED tube light with driver
           •  PVC copper wire 1.5 sq.mm     -as reqd.             22 W, 230 V                       -1 No.
           •  Incandescent lamps Assorted                       •  LED recess type fitting with
              rating                        -3 No’s.              driver 36 W, 230 V                -1 No.
           •  Fluorescent tube light fitting with
              choke 40 W, 230V              -1 No.

            Procedure

           TASK 1: Identify the different types of lamps
           1  Draw the circuit diagram of connection of different types of lamps.

           2  Identify the different types of electric lamps, their construction and ratings.
           3  Test the continuity of lamps and ballast with test lamp.

           TASK 2 : Connect and test all types of lamps
           1  Connect and test the incandescent lamps of different wattage and check the illumination.

           2  Make the connection of gas discharge lamps - HPMV lamp & HPSV lamp as per circuit diagram.
           3  Connect gas discharge lamps to the supply, measure the starting & running current and illumination.
           4  Make the connection of fluorescent tube light as per circuit diagram.
           5  Connect the fluorescent tube light to the supply and check the illumination.
           6  Connect the halogen lamp and the check the brightness.
           7  Connect all types LED bulbs, tube lights, recess fittings and check the illumination.

           Safety precautions:
           1  Handle the electric lamps carefully and do not drop.
           2  Do not make wrong & loose connections.

           3  Check the ballast before connecting gas discharge lamps.


                                                           111
   123   124   125   126   127   128   129   130   131   132   133