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 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 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 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 applies to the design of newly built and expanded 3-110kV HV switchgear.

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 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 the construction and acceptance of the newly built，renovation，and extension of 110kV-750kV overhead AC transmission line.

适用范围：This code is applicable to the engineering design of new construction，renovation and extension of thin film transistor liquid crystal display plants.

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