Erbis Engineering Service Executive Interview Questions and Answers for Experienced

Earthing can be checked using a multimeter. The number of earthing required depends on the size and type of the building.

• Use a multimeter to check the resistance between the earthing system and the ground

• Ensure that the resistance is less than 5 ohms

• The number of earthing required depends on the size and type of the building

• For residential buildings, at least one earthing is required

• For commercial buildings, multiple e