A Course In Electrical Installation Estimating And Costing by J B Gupta is one of the most popular books for references in electrical, electronics, communications, and civil engineering. Electrical installation refers to the electrical wiring that is carried out to provide power in buildings and structures. This book deals with the installation of electrical equipment, which can be used for the purpose of generation, conversion, transmission, distribution, or utilisation of electrical energy, and also to estimate the total cost involved in the process