PAPER 3 - INSTALLATION TESTING AND MAINTENANCE OF ELECTRICAL INSTALLATIONS / विद्युत संस्थापनाओं की संस्थापना परीक्षण तथा उनका अनुरक्षण Chapter 12: Maintenance & Troubleshooting Chapter 12: Maintenance & Troubleshooting • Preventive Maintenance Schedules • Common Electrical Faults & Solutions • Record Keeping & Compliance Audits Chapter 12: Maintenance & Troubleshooting Principle/Working MechanismSymbol: 🛠️⚡ (Maintenance Symbol)Definition: Systematic procedures to...