Introductory technical guidance for electrical engineers and electric distribution system operators interested in electrical safety for substations and switchgear. Here is what is discussed: 1. SUBSTATION WORK 2. SWITCHING 3. FUSES 4. ENERGY STORING PROTECTIVE DEVICES 5. INSTRUMENT TRANSFORMERS 6. POWER TRANSFORMERS AND REGULATORS 7. METALCLAD SWITCHGEAR 8. STATIONARY BATTERIES 9. INSULATING OIL HANDLING OPERATIONS.