I.S. EN 61663-2:2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
LIGHTNING PROTECTION - TELECOMMUNICATION LINES - PART 2: LINES USING METALLIC CONDUCTORS
Hardcopy , PDF
09-06-2016
English
05-07-2001
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
INTRODUCTION
Clause
1 Scope and object
2 Normative references
3 Definitions
4 Reference configuration
5 Environmental factor Ke, installation factor Ki,
shielding factor Ks and conventional transition
point length LcT
5.1 Environmental factor Ke
5.2 Installation factor Ki
5.3 Shielding factor Ks
5.4 Conventional transition point length LcT
6 Protection need
6.1 General
6.2 Protection need against indirect lightning to
the telecommunication line
6.3 Protection need against direct lightning to the
structure that the telecommunication line enters
6.4 Protection need against direct lightning to the
telecommunication line
7 Protection measures
7.1 General
7.2 Protective measures against indirect lightning
to the telecommunication line
7.3 Protective measures against direct lightning to
the structure that the telecommunication line enters
7.4 Protective measures against direct lightning to
the telecommunication lines
Annex A (normative) Procedure for evaluating the
protection needs against lightning of
telecommunication or signal lines using
metallic conductors
Annex B (normative) Resistance value of the cable shield
connection to earth along the telecommunication
line
Annex C (normative) Evaluation of the lightning current
I striking the structure which causes damage
to the telecommunication line entering the structure
Annex D (informative) Overvoltages, overcurrents and
frequency of damage Fp on a telecommunication line
Annex E (informative) Relative amount of expected
losses per damage
Annex F (informative) Application of protection need
requirements: examples
Annex G (informative) Environmental factor Ke
Annex H (informative) Risk of damage Rp
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
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