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GB/T 9089.4-2026
Electrical installations for outdoor sites under heavy conditions—Part 4: Requirements for the installation
GB/T 9089.4-2026 户外严酷条件下的电气设施 第4部分：装置要求
- Issue date
- 2026-09-28
- Effective date
- 2027-04-01
- Standard type
- National Standards
- ICS / CCS
- 29.020 / K09
- Issuing authority
- State Administration for Market Regulation and Standardization Administration of China
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Scope
This document specifies the requirements for electrical installations under heavy outdoor conditions—installations, including the requirements for excavating, stacking/reclaiming and primary processing machines and the requirements for conveyor systems. This document is applicable to electrical installations such as excavating, stacking/reclaiming and primary processing machines and conveyor systems in open-cast mines, quarries, stockyards and other similar sites.
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English introduction is available from the synchronized standard record.
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