1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Individual service SPDs
6.1 Surge mitigation functions
6.2 Power service protection
6.3 Signal service protection
6.4 Individual SPD earthing problems
7 Surge reference equaliser (MSPD concept)
8 MSPD implications
8.1 Protected-side earth loop currents
8.2 SPD cross-coupling
8.3 High impedance or missing local earth connection
9 Summary
Bibliography