1 Scope and object
2 References
3 Definitions
4 Reference configuration
5 Construction characteristics of
the cable
5.1 General
5.2 Failure current for buried cable or
aerial cable with earth connections of the metal sheath
5.3 Failure current for aerial cable
without earth connections of the metal sheath
6 Need for protection
7 Protective measures
7.1 General
7.2 Dielectric or metal-free cables
7.3 Choice of cable characteristics
for both buried and aerial installations
7.4 Use of shield wire for buried
cables
7.5 Route redundancy
Annex A -
Frequency of primary failures
A.1 Buried cable
A.2 Aerial cables
A.3 Cables entering a structure
exposed to direct lightning strokes
Annex B - Sheath
breakdown current
B.1 Buried cable
B.2 Aerial cable
B.2.1 Aerial cable without earth connections of the metal sheath
B.2.2 Aerial cable with earth connections of the metal sheath
Annex C - Tests
for surge current resisitivity
C.1 General
C.2 Breakdown voltage test
C.3 Test for surge current
resistibility of the interconnecting elements
C.4 Sand box test for buried cables
C.5 Test for aerial cables Appendix I -
Shielding factor
I.1 Shielding factor for one shield
wire
I.2 Shielding factor for multiple
shield wires
I.3 Minimum length of buried shield
wires
Appendix II -
Tolerable frequency of primary failures (Fa)
Appendix III -
Environmental factor (Ke)
Appendix IV -
Bibliography