Basic Electrical Principles
Brian Tinson
• Basic Electrical Principles
• Electrical Safety
• Handy Reference Guide
,Basic Electrical Principles v6.0 2011
Copyright © 2011 Tinson Training Ltd
All rights reserved worldwide.
No part of this publication may be reproduced, stored in a retrieval system (other than the
computer used to download when supplied as an ebook), or transmitted in any form or by any
other means, whether mechanical, photocopying, recording or otherwise, without the prior
permission of the author.
The publisher has strived to be as accurate as possible in the creation of this publication.
The publisher will not be responsible for any losses or damages of any kind incurred by the
reader whether directly or indirectly arising from the use of information found in this
document.
The author of this document reserves the right to make changes without notice. The publisher
assumes no responsibility or liability whatsoever on the behalf of the reader of this document.
1
,2
, Contents
Chapter Title
1 Basic Electrical Principles
2 Electrical Circuits
3 DC Supplies
4 AC Supplies Single Phase
5 AC Supplies Three Phase
6 Transformers
7 Electrical Test Equipment
8 Contactors and Relays
9 Control Circuits
11 Electrical Safety
12 Cables and Protection
Appendix A Electricity at Work Regulations 1989
Appendix B BS7671-2008
Appendix C Glossary of Electrical / Electronic Terms
Appendix D Electrical Symbols
Appendix E Index of Protection Ratings
Appendix F Conductor Cable Colours
Appendix G Electrical Colour Codes
Appendix H SI Units
Appendix I Answers to Exercises
3
Brian Tinson
• Basic Electrical Principles
• Electrical Safety
• Handy Reference Guide
,Basic Electrical Principles v6.0 2011
Copyright © 2011 Tinson Training Ltd
All rights reserved worldwide.
No part of this publication may be reproduced, stored in a retrieval system (other than the
computer used to download when supplied as an ebook), or transmitted in any form or by any
other means, whether mechanical, photocopying, recording or otherwise, without the prior
permission of the author.
The publisher has strived to be as accurate as possible in the creation of this publication.
The publisher will not be responsible for any losses or damages of any kind incurred by the
reader whether directly or indirectly arising from the use of information found in this
document.
The author of this document reserves the right to make changes without notice. The publisher
assumes no responsibility or liability whatsoever on the behalf of the reader of this document.
1
,2
, Contents
Chapter Title
1 Basic Electrical Principles
2 Electrical Circuits
3 DC Supplies
4 AC Supplies Single Phase
5 AC Supplies Three Phase
6 Transformers
7 Electrical Test Equipment
8 Contactors and Relays
9 Control Circuits
11 Electrical Safety
12 Cables and Protection
Appendix A Electricity at Work Regulations 1989
Appendix B BS7671-2008
Appendix C Glossary of Electrical / Electronic Terms
Appendix D Electrical Symbols
Appendix E Index of Protection Ratings
Appendix F Conductor Cable Colours
Appendix G Electrical Colour Codes
Appendix H SI Units
Appendix I Answers to Exercises
3
