GB 50257-2014
Code for construction and acceptance of electric equipment on fire and explosion hazard electrical equipment installation engineering (English Version)
- Standard No.
- GB 50257-2014
- Language
- Chinese, Available in English version
- Release Date
- 2014
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB 50257-2014
- Replace By
- GOST 21216-2014
- Scope
- This specification is applicable to the construction and acceptance of electrical installations in environments where gases, vapors, dusts, explosive mixtures of fibers and fire-hazardous substances appear or may appear during production, processing, handling, transshipment or storage. This specification does not apply to the construction and acceptance of electrical installation projects in the following environments: 1 Underground mines; 2 Environments where gunpowder, explosives, primers, fuzes and pyrotechnics are produced, etc.; Areas of electrical devices such as electrolysis and electroplating directly related to the production process; 4 Environments using strong oxidants and substances that can ignite by themselves without external ignition sources; 5 Water, land, and air transportation vehicles and offshore and land oil well platforms; 6 Nuclear islands in nuclear power plants; 7 Flavored natural gas as fuel for heating, air conditioning, cooking, laundry and similar piping systems; 8 Medical rooms; 9 Catastrophic accidents.
GB 50257-2014 history
- 2014 GB 50257-2014 Code for construction and acceptance of electric equipment on fire and explosion hazard electrical equipment installation engineering
- 1996 GB 50257-1996 Code for construction and acceptance of electric device for explosion atmospheres and fire hazard electrical equipment installation engineering
GB 50257-2014 Code for construction and acceptance of electric equipment on fire and explosion hazard electrical equipment installation engineering was changed to GOST 21216-2014 Clay raw materials. Test methods.
