BS 6651(1999) : 1999

Committees responsible
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Technical aspects of lightning
5 Effects of lightning strike
6 Function of a lightning conductor
7 Materials
8 Dimensions
9 Basic considerations
10 Need for protection
11 Zone of protection
12 General considerations for system design
13 Consultation
14 Component parts
15 Air terminations
16 Down conductors
17 Earth termination network
18 Earth electrodes
19 Metal in or on a structure
20 Structures exceeding 20 m in height
21 Structures with roofs of high flammability
22 Buildings with explosive or highly flammable contents
23 Dwelling houses
24 Fences
25 Trees and structures near trees
26 Structures with radio and television aerials
27 Miscellaneous structures
28 Corrosion
29 Structures
30 Overhead power lines
31 Inspection
32 Testing
33 Records
34 Maintenance and upkeep
Annex A (informative) Explanatory notes on some of the
                      recommendations of this code
Annex B (informative) Guidance on the application of BS 6651
Annex C (informative) General advice on protection against
                      lightning of electronic equipment within
                      or on structures
Bibliography

Gives guidance on the design of systems for the protection of structures against lightning and on the selection of materials.