Manufacturer and supplier of trailer connectors and accessories
| Contact/Function | Colour | No. |
| Left turn/Hazard | Yellow | 1 |
| Reversing Signal | Black | 2 |
| Earth/Return/Ground | White | 3 |
| Right turn/Hazard | Green | 4 |
| Service brakes/Spare | Blue | 5 |
| Stop | Red | 6 |
| Number plate/Markers | Brown | 7 |
| 6 x Supplementary Conductors | No Colour | 8-13 |
