TEST LAMP circuit for repairing and checking electrical appliance

For check electric appliance test lamp project
We can repair and maintain all electrical appliances through this test lamp circuit.

1. TEST LAMP PREPARED BY: P.K.SABAT , TGT(W.E)

2. Objective: To make a test lamp which can be used to test and for finding fault in electrical appliances.

3. Materials required: 25 W/40 W lamp-01 Lamp holder-01 A pair of plastic covered electric wire-1.5 m 4. Two pin wall plug-01

4. Tools required: Screw driver Wire cutter

5. How to make Remove the insulation for a short distance at the two end of the wire . 2. At one end connect the two pin wall plug . .

6. Keep the other end free . 4. In one wire cut it from the center and remove the insulation for a short distance and connect the lamp holder . 5. Fix the lamp on the lamp holder

7. Connect the plug in the socket and put the switch ‘ON’ How to use:

8. The lamp will light up when the two wire A and B are brought together.

9. When the two terminals of an appliance are touched simultaneously with the testing wire A and B , the lamp will light up if the circuit is complete. If the lamp does not light up , the circuit is open.

10. When the metal frame of the appliance and one of its terminals are connected in the circuit and the lamp light up , it means that the appliance has become short circuited. It is earth fault . If the lamp does not light up then there is no earth fault . The appliance can be used safely.

11. Thank You