Guide to the IET Wiring Regulations

IET Wiring Regulations (BS 7671:2008 incorporating Amendment No 1:2011)
2. Auflage 2012
ISBN: 978-1-119-94075-3
Verlag: John Wiley & Sons
Format: PDF
Kopierschutz: Adobe DRM (»Systemvoraussetzungen)

E-Book, Englisch, 272 Seiten, E-Book

This authoritative, best-selling guide has been extensively updatedwith the new technical requirements of the IET Wiring Regulations(BS 7671: 2008) Amendment No. 1:2011, also known as the IET WiringRegulations 17th Edition. With clear description, itprovides a practical interpretation of the amended regulations- effective January 2012 - offers real solutions to theproblems that can occur in practice.
This revised edition features:
* new material on hot topics such as electromagneticcompatibility (EMC), harmonics, surge protective devices, and newspecial locations including medical locations, and operative ormaintenance gangways;
* highlights the changes that have been made in this latestAmendment and their impact in practice;
* examples of how to comply with the Wiring Regulations;
* fully-integrated colour including sixty brand new colourillustrations, twenty tables and new high-quality photographs.
This essential guide retains its handy format, ideal forpracticing electricians, trainee electricians and apprentices tocarry with them for quick reference. It is a valuable resource forall users of BS 7671 who want to understand the background to theRegulations; electrical engineers and technicians, installation anddesign engineers, consulting and building services engineers, alsodedicated inspectors and testers.

Inhaltsverzeichnis

Foreword by Giuliano Digilio xi
Preface xiii
Acknowledgements xv
Chapter A - BS 7671:2008 Amd No. 1:2011 Requirementsfor Electrical Installations - Introduction and Overview1
A 1 Introduction to BS 7671:2008 1
A 2 Plan and layout of BS 7671:2008 2
A 3 Overview of major changes 5
A 4 Amendment No. 1:2011 9
Chapter B - Legal Relationship and General Requirementsof BS 7671:2008 Amd No. 1:2011 11
B 1 Legal requirements and relationship 11
B 2 The role of Standards 17
B 3 Part 3 of BS 7671:2008 - assessment of generalcharacteristics 18
Chapter C - Circuitry and Related Parts of BS 7671:2008Amd No. 1:2011 21
C 1 Introduction 21
C 2 Design procedure overview 21
C 3 Load assessment 23
C 4 Circuitry design 26
C 5 Sub-mains 56
C 6 Discrimination co-ordination 58
C 7 Parallel cables 62
C 8 Harmonics 63
C 9 Standard final circuit designs 64
C 10 RCDs and circuitry 73
C 11 Ring and radial final circuits 75
Chapter D - Selection and Erection - Equipment79
D 1 Introduction and fundamentals 79
D 2 Compliance with Standards 80
D 3 Identification of conductors - introduction 81
D 4 Protection against voltage and electromagnetic disturbance86
D 5 Wiring systems 95
D 6 Circuit breakers 106
D 7 Residual current devices 111
D 8 Other equipment 116
D 9 Generating sets 121
D 10 Rotating machines 121
D 11 Plugs and socket-outlets 122
D 12 Electrode water heaters and electrode boilers 123
D 13 Heating conductors 124
D 14 Lighting and luminaires 124
D 15 Safety services 127
D 16 Ingress protection (IP), external infl uences 129
Chapter E - Earthing and Bonding 133
E 1 Introduction 133
E 2 Earthing arrangements 133
E 3 General requirements of earthing and bonding 138
E 4 Protective conductors 139
E 5 Armoured cables as protective conductors 147
E 6 Protective bonding 149
E 7 High earth leakage installations 158
Chapter F - Inspection Testing and Certification (Part6) 161
F 1 Introduction 161
F 2 Visual inspection 162
F 3 Testing 164
F 4 Certification paperwork 183
Chapter G - Special Locations 201
G 1 Introduction purpose and principles 201
G 2 Locations containing a bath or shower (701) 203
G 3 Swimming pools and other basins (702) 208
G 4 Agricultural and horticultural premises (705) 214
G 5 Caravan parks and camping parks (708) 218
G 6 Medical locations (710) 222
G 7 Exhibitions, shows and stands (711) 227
G 8 Solar photovoltaic (PV) power supply systems (712) 229
G 9 Mobile or transportable units (717) 235
G 10 Floor and ceiling heating systems (753) 237
References 240
Appendices 243
Appendix 1 - Standards and bibliography 244
Appendix 2 - Popular cables: current rating tables from BS7671:2008 Appendix 4 249
Appendix 3 - Limiting earth fault loop impedance tablesfrom BS 7671:2008 252
Appendix 4 - Cable data resistance, impedance and'R1 + R2' values 254
Appendix 5 - Fuse I2t characteristics 258
Index 259