This document provides plinth area rates and norms for various electrical works. It includes rates for internal electrical installations, power plugs, electrical service connections, lightning conductors, water pumps, compound lights, passenger and goods lifts, fire fighting systems, fire detection systems, electrical installations for false flooring and ceilings, automatic voltage regulators, and air conditioning plants. Norms are also given for substation capacities based on total capacity. The rates are to be used for estimating costs of electrical works and are to be enhanced annually based on the building cost index.