TO ASSEMBLE A CONTINUITY TESTING DEVICE AND TO USE IT FOR CHECKING THE EFFECTIVENESS OF EARTHING IN AN APPLIANCE

Here, you read about earthing as an essential requirement for all instruments which are not insulated. Since improper earthing is a potential electric hazard in the laboratory, we must ensure that all the appliances are properly earthed. To perform this simple but extremely important act of electrical maintenance, you need a device and also know how to use it. In this activity you are going to assemble and handle such a device.