The salient features: * Fundamentals of safety, installation, commissioning, maintenance and testing of electrical equipments* Maintenance of DC batteries* Commissioning, maintenance & testing of power transformers * Commissioning, maintenance & testing of electric motors* Commissioning, maintenance & testing of alternators* Maintenance of DG sets* Maintenance of substation equipments & transmission lines* Automobile electrification* Electrical wiring systems * Indian Electricity Rules. The instruction sheets are the solution of the practical difficulties, correlating the theory and practice. In the instruction sheets, step-by-step instructions in detail for carrying out experiment along with relevant theory in brief is given. A set of relevant questions is given at the end of instructions sheet for each experiment.