In electrical wiring and installation,earthing is the important thing that we must make sure it in our job scopes.Earthing system for electrical installation is for the safety and electromagnetic power supply purpose.

Earthing system function is to ensure all equipment or device is safe from risk of electric shock and make sure the residual current device operate properly.

We should decide a suitable types of earthing system for our application and must understand the classification.Earthing system have a several types commonly used in all around the world listed as below :- read more