04-01-2010, 02:07 PM
Design of Electrical Services for Buildings - Barrie Rigby
PDF : 4.9 Mb
Pages : 318
From the user’s point of view the electricity service in a building consists of light switches, sockets, clock connectors, cooker control units and similar outlets. Such fittings are collectively known as accessories; this name came about because they are accessory to the wiring, which is the main substance of the installation from the designer’s and installer’s point of view. To them, the way the outlets are served is the major interest, but it is quite secondary to the user who is concerned only with the appearance and function of the outlet. In the complete electrical installation of a building the wiring and accessories are interdependent and neither can be fully understood without the other; a start has to be made somewhere however, and in this book it is proposed to consider accessories first.
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