| Subject | English | German |
| tech. | colour coding | Farbkennzeichnung |
| tech., el. | colour coding | Farbkodierung |
| tech., el. | colour coding | Farbcode |
| brit. | colour coding | Farbcodierung |
| meas.inst. | identification colour-coding | Farbschlüssel |
| meas.inst. | identification colour-coding | Farbkennzeichnung |
