Electronics.
The colors of the various cable lugs (insulated) indicate the wire diameter for which it is intended.
The following colorways apply:
| Color | mm2 | AWG |
| White | 0,3-0,8 mm2 | 18-22 AWG |
| Red | 0,5-1,5 mm2 | 22-16 AWG |
| Blue | 1,5-2,5 mm2 | 16-14 AWG |
| Yellow | 4.0-6.0 mm2 | 12-10 AWG |