This part of GB/T 6995 applies to the colors used for identification marks of various wires and cables and other identification marks for insulated cores.
GB/T 6995.2-2008 Referenced Document
IEC 60304:1982 Standard colours for insulation for low-frequency cables and wires
GB/T 6995.2-2008 history
2008GB/T 6995.2-2008 Markings for electric wires and cables.Part 2:Standard colours
1986GB 6995.2-1986 Markings for electric cables and wires--Part 2:Standard colours
GB/T 6995.2-2008 Markings for electric wires and cables.Part 2:Standard colours has been changed from GB 6995.2-1986 Markings for electric cables and wires--Part 2:Standard colours.