PAPER 3 - INSTALLATION TESTING AND MAINTENANCE OF ELECTRICAL INSTALLATIONS / विद्युत संस्थापनाओं की संस्थापना परीक्षण तथा उनका अनुरक्षण Chapter 10: Hazardous Area Classification – IS 5571 & IS 5572 Chapter 10: Hazardous Area Classification – IS 5571 & IS 5572 • Classification of Hazardous Zones • Selection of Electrical Equipment for Explosive Atmospheres •...