Preface vii
Acknowledgements ix
UNIT –Working effectively and safely the electrotechnical environment 1
Chapter The legal responsibilities both employers and employees 3
Chapter The occupational specialisms and individual roles within the electrotechnical industry 41
Chapter Sources technical information and communications 63
UNIT Principles electrotechnology 77
Chapter Basic electrotechnical units and theory 79
Chapter Basic scientific concepts electrotechnology 99
Chapter Basic electrical circuits and cables 123
Chapter Tools and equipment used for electrotechnical applications 139
UNIT Application health and safety and electrical principles 151
Chapter Safe systems working 153
Chapter Using technical information 181
Chapter Alternating current theory and electrical machines 193
Chapter Polyphase three-phase electrical systems 221
Chapter Overcurrent, short circuit and earth fault protection 233
UNIT Installation (buildings and structures) 259
Chapter Statutory regulations and codes practice 261
Chapter Electrical installations and wiring systems 279
Contents
v