Standards GB - Chinese national standards - Page 4746

Code for design electrical equipment of electroheat installations

Standard published on 5.7.1993

Code for design protection of structures against lightning

Standard published on 3.11.2010

Code for design of electrical installations in explosive atmospheres

Standard published on 29.1.2014

Code for design of 35kV110kV substation

Standard published on 16.9.2011

Code for design of high voltage electrical instrallation(3~110kV)

Standard published on 1.1.2008

Code for design of 66kV or under overhead electrical power transmission line

Standard published on 18.1.2010

Code for design of relaying protection and automatic device of electric power installations

Standard published on 1.1.2008

Code for design of electrical measuring device of power system

Standard published on 21.1.2017

Code for design of overvoltage protection and insulation coordination for AC electrical installations

Standard published on 31.3.2014

Code for design of ac electrical installations earthing

Standard published on 1.1.2011