IEC 60228 is the International Electrotechnical Commission's international standard on conductors of insulated cables. Among other things, it defines a set of standard wire cross-sections:
| International standard wire sizes (IEC 60228) |
| 0.5 mm² |
0.75 mm² |
1 mm² |
1.5 mm² |
2.5 mm² |
4 mm² |
| 6 mm² |
10 mm² |
16 mm² |
25 mm² |
35 mm² |
50 mm² |
| 70 mm² |
95 mm² |
120 mm² |
150 mm² |
185 mm² |
240 mm² |
| 300 mm² |
400 mm² |
500 mm² |
630 mm² |
800 mm² |
1000 mm² |