Code for Selection, Installation, Acceptance and Maintenance of Low-Voltage Power Supply Surge Protective Devices for Buildings - CECS 174: 2004

Author: China Electrical Engineering Standardization Association
Publisher: China Planning Press
Publication Date: 2005-06-01
Features: To limit lightning surges and ensure the safety of low-voltage AC power systems and connected electrical and electronic equipment in buildings under lightning conditions, this regulation standardizes surge protection measures. This regulation applies to low-voltage AC power systems and connected electronic equipment in buildings supplied with a frequency of 48–52 Hz and a nominal voltage of 220V/380V. Table of Contents:
1. General Provisions
2. Terms and Symbols
3. Operability Levels of Power Point Surge Protection Systems
4. Selection and Configuration of Power Point Surge Protectors
5. Installation and Acceptance of Surge Protectors
6. Maintenance of Surge Protectors
Appendix A: Simplified Assessment Method for Lightning Surge Risk in Buildings
Appendix B: Selection Requirements for Power Surge Protection Products
Appendix C: Original Conditions and Selected Content for Building Power Surge Protection System Design
Appendix D: Work Procedures for Building Power Surge Protection System Design, Installation, Acceptance, and Maintenance
Explanation of Terms Used in This Regulation
Supplementary: Explanation of Article Provisions