INTRODUCTION
The course is designed to include basics of electricity supply systems used for industries, domestic and commercial buildings. It includes safety requirements, standards and codes for electrical installation works. Basic electrical wiring methods and practice have been presented. Working of different types of Electric Motors has been explained. Electrical system and neutral grounding methods have been thoroughly discussed. Shock hazards and the protection against it have been highlighted. Two important topics of control and protection of industrial and commercial installation works as well as installation design have been dealt comprehensively. Finally a brief working of distribution substations is given.