What Is the Standard Height for Electrical Wall Switches?
Hangar Electricals - Switches and Sockets Socket outlets must be mounted at a height above the floor or work surface so as to minimize the risk of mechanical damage (IEE Regulation 553.1.6).
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Height of Different Electrical Switch Board || कितनी Height पर Switch Board दे।। Electrical Work - YouTube
How to Set Standard Outlet and Light Switch Heights