适用范围：This code is applicable to the following newly constructed，enlarged and altered buildings：1 Factory buildings；2 Storages；3 Civil buildings；4 Class A，B，C liquid tanks（tank farms）；5 Combustible and combustion-supporting gas tanks（tank farms）；6 Stackyards for combustibles；7 Urban road tunnels.

适用范围：This code is applicable to the acceptance of new，modified and expanded ground and rooftop photovoltaic power projects connected to power grid with an rated voltage of 380V or above，it is not applicable to BIPV（Building Integrated Photovoltaic）and household PV projects.

适用范围：This code is applicable to the construction and acceptance of grounding connection of the electric equipment in installation engineering but not to the construction and acceptance of the DC high-voltage transmission grounding electrode.

适用范围：This specification is applicable to the design of detection and alarm of combustible gases and toxic gases in grass-root，expansion and revamping projects of petrochemical enterprises.

适用范围：This standard is applicable to the hand-over test of newly-installed electric equipment with AC voltages of 750kV and below that conforms to the relevant national standards for factory acceptance test.

适用范围：This code is applicable to the design of 110kV-750kV AC overhead transmission lines,where the 110kV- 500kV AC part applies to single circuit,double-circuit and multiple-circuit lines,while the 750kV AC part applies to single circuit lines.

适用范围：This code is applicable to the selection and laying design of power cables of 500kV or below and control cables in newly built or expanded electric projects.

适用范围：This code is applicable to construction of building foundations.

适用范围：This code applies to the design,construction,operation,maintenance and removal of 10kV andbelow facilities of power supply and consumption at general industrial and civil construction sites,excluding underwater,in-shaft and mining shaft works.

适用范围：This code is applicable to construction，expansion and renovation of the converter gas cleaning and recovery project.