CHAPTER 2: MAINTENANCE: ELECTRICAL DISTRIBUTION SYSTEM

-Single phase supply with nominal voltage of 230V, range +10%,6%;

-Three phase supply with nominal voltage of 400V, range +10%,6%;

-Permitted frequency is 50Hz + 1%;•

ALL THIS ARE TRUE ABOUT SPECIFICATION OF ELECTRICAL SYSTEM IN SOUTH EAST ASIA

• YES

• NO

ARE THIS BUILDING USE T-T EARTHING SYSTEM

• YES

• NO

Safety protection system FOR Over Voltage Limitation

To conduct discharge path/Menyediakan laluan nyahcas

Legal Requirements and Regulations

ALL THIS IS PURPOSE OF EARTHING

• YES

• NO

The maximum permitted earth electrode

resistance for different types of installations Earth electrode for installations

protected by RCDs of sensitivity

100mA is 100mV

• YES

• NO

THE DIAGRAM SHOWN THE SINGLE LINE DIAGRAM FOR FEEDER PILLAR OF ELECTRICAL SYSTEM DISTRIBUTION

• YES

• NO