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Database: 189759 (19 Oct 2025)
YD/T 4677-2024 English PDF
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YD/T 4677-2024
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(Protection of small communication facilities under poor grounding conditions)
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YD/T 4677-2024
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Basic data
Standard ID
YD/T 4677-2024 (YD/T4677-2024)
Description (Translated English)
(Protection of small communication facilities under poor grounding conditions)
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
L09
Classification of International Standard
35.02
Date of Issue
2024-03-29
Date of Implementation
2024-07-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the protection methods and measures for small communication facilities installed under poor grounding conditions in terms of lightning protection, electrical safety, etc. This standard applies to small communication facilities powered by AC power owned by operating enterprises and managed by professional and technical personnel, and complies with the relevant requirements of the national series standard GB/T 16895. This standard also applies to devices remotely powered by a DC power supply system and complies with the relevant requirements of YD/T 1817-2017 "DC Remote Power Supply System for Communication Equipment".