The two volumes of Whitfield's Electrical craft principles have been substantially revised and updated for the mid 1990s, reflecting changes in practice and legislation (e.g. BS 7671/IEE Wiring Regulations) as well as in the City a Guilds courses they support. Volume 2 in particular has new material to accompany course changes. The volumes are presented in a new format, are highly illustrated and contain full problems and solutions. Inspection copies of the new edition are available to lecturers.4 Draw circuit diagrams of the wiring connections for (a) two lights controlled by one switch (b) one light controlled by either of two switches (c) two lights controlled by any one of three switches 5 A light in a bedroom is controlled by a one-wayanbsp;...
|Title||:||Electrical Craft Principles|
|Author||:||John Frederic Whitfield|
|Publisher||:||IET - 1995-01-01|