C22.3 NO. 5.1-93 (R2017)
Current
The latest, up-to-date edition.
Recommended Practices for Electrical Protection - Electric Contact Between Overhead Supply and Communication Lines
Hardcopy , PDF
English
01-01-1993
Preface
1. Scope
2. Definitions and Reference Publications
3. General
4. Principles
5. Practices
6. Deenergization of Open Wire by Burnoff
7. Coordination
Appendices
A - Application Guide: Coordination of Protective Devices
on the Communication System
B - Rationale Statements
C - Measures to Minimize Risk to the Communication Plant
D - Numerical Example
E - Calculation of Communication Plant Impedance
F - Example of Open-Wire Burnoff
G - Bibliography
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