Equipment terminals and specific wire ends can be identified using one or more of the following methods.
3.1 Use the relevant product's marking system to determine and identify the actual or relative location of equipment terminals or specific wire ends.
3.2 Use the relevant product's marking system to identify and identify the color marking of equipment terminals and specific wire ends.
3.3 Use the graphic symbols specified in GB5465. If auxiliary symbols are required, they should be consistent with the graphics in GB4728.
3.4 Use the alphanumeric symbols specified in Chapter 5 of this standard.
