Polarity Testing
Outdoor/ Landscape/ Garden/ Parking/ Open or Terrace Restaurent etc.
Activity : Check that apparatus have correct connectivity.
About Test :
This test ensures that apparatus, connect to the circuit, are connected correctly and won’t be damage.
 
Objectives: 
1. Saving of human life
2. And saving of apparatus life.
 
Negligence of Testing:
If polarity in switch board isn’t proper then after switching off, the point will continuously be charged and it may chance of electric shock.