2 Normative References
The following normative documents contain provisions which，through reference in this text，constitute provisions of this specification.For dated references，subsequent amendments（excluding the contents of errata）to，or revision of，any of these publications do not apply.However，parties to agreements based on this specification are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below.For undated references，the latest edition of the normative document referred to applies.
GBJ 147 Electric Equipment Installation Engineering—Specification for Construction and Acceptance of High Voltage Apparatus
GBJ 148 Electric Equipment Installation Engineering—Specification for Construction and Acceptance of Power Transformer，Oil-Immersed Reactor，and Voltage/Current Transformer
GBJ 149 Electric Equipment Installation Engineering—Specification for Construction and Acceptance of Busbars
GB 50150 Electric Equipment Installation Engineering—Standard for Hand-over Test of Electric Equipment
GB 50168 Electric Equipment Installation Engineering—Code for Construction and Acceptance of Cable System
GB 50169 Electric Equipment Installation Engineering—Code for Construction and Acceptance of Earthed Device
GB 50170 Electric Equipment Installation Engineering—Code for Construction and Acceptance of Rotating Electrical Machines
GB 50171 Electric Equipment Installation Engineering—Code for Construction and Acceptance of Switchboard Outfit Complete Cubicle and Secondary Circuit Electric Machines
GB 50172 Electric Equipment Installation Engineering—Code for Construction and Acceptance of Storage Battery
GB 5749 Standards for Drinking Water Quality
GB 1576-2001 Water Quality for Industrial Boilers
GB 50166-92 Code for Installation and Acceptance of Fire Alarm System
GB 50235-97 Code for Construction of Industrial Metallic Piping Engineering
GB 50236-98 Code for Construction and Acceptance of Field Equipment，Industrial Pipe Welding Engineering
GB 50257 Electric Equipment Installation Engineering—Code for Construction and Acceptance of Electric Device for Explosion Atmospheres and Fire Hazard
GB/T 8905 Guide for Processing and Measuring SF6 Gas in Power Apparatus
DL 475 Guide for Measurement of Earth-termination system Parameters
DL 5027-93 Specification for Fire Protection of Electric Power Installation
DL/T 5210-2005 Code for Construction Quality Acceptance and Evaluation of Electric Power Projects
DL/T 5161.1 Specification for Construction Quality Checkout and Evaluation of Electric Equipment Installation through 5161.17—2002