GB 14050-2008 Types and safety technical requirements of system earthing (Text of Document is in English) - Beijing translation compay

1 Scope

This standard specifies types and safety technical requirements of system earthing; the purpose is to guarantee the safety of people and equipment.
This standard is applicable to power grid of which the nominal system voltage is AC 220/380V.

2 Normative References

The provisions contains in the following normative documents which, through reference in this text, shall constitute provisions of this Standard. For dated reference, subsequent amendments (excluding correction) to, or revisions of, any of these publications do not apply. However, parties that enter into an agreement according to this standard are encouraged to study whether the latest edition of these documents can be used. For undated references, the latest edition of the referenced document is applicable to these specifications.
GB/T 4776-2008 Electrical Safety Terminology
GB 13955 Installation and Operation of Residual current operated protectors
GB 16895.3-2004 Electrical Installations of Buildings-Part 5-54: Selection and Erection of Electrical Equipment-Earthing Arrangements, Protective Conductors and Protective Bonding Conductors (IEC 60364-5-54: 2002, IDT)