1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Reference configuration
6 Explanation of terms
6.1 Damage and loss
6.2 Risk and risk components
6.3 Composition of risk components related to a structure
7 Risk management
7.1 Basic procedure
7.2 Tolerable risk RT
7.3 Specific procedure to evaluate the need for protection
7.4 Protection measures
7.5 Selection of protection measures
8 Responsibility
Annex A – Assessment of annual number N of dangerous events
A.1 Assessment of the average annual number of dangerous events NL
due to flashes to a line
Annex B – Assessment of probability Px of damage for a structure
B.1 Probability PA
B.2 Probability PB
B.3 Probability PC
B.4 Probability PM
B.5 Probability PU
B.6 Probability PV
B.7 Probability PW
B.8 Probability PZ
Annex C – Assessment of amount of loss LX in a structure
Appendix I – Example of a risk assessment according to [IEC 62305-2]
I.1 General
I.2 Building characteristics
I.3 Characteristics of the services
I.4 Characteristics of the internal systems
I.5 Zones definition in the structure
I.6 Expected dangerous events to the structure
I.7 Risk assessment for the unprotected structure
I.8 Selected protection measures
I.9 Risk assessment related to the protected
structure
I.10 SPDs
Appendix II – Equipotential bonding
II.1 Non-conductive floors
II.2 Lack of bonding between the telecommunication service, power
service and the MEB
Appendix III – Cable routing
Appendix IV – Risk assessment using Recommendation ITU-T K.47
IV.1 Assessment of annual number N of dangerous events
IV.2 Assessment of Factor PLD for shielded cables
Appendix V – Mechanisms of damage
V.1 Electric shock
V.2 Fire or explosion
Appendix VI – Required current or voltage to cause injury
Bibliography