Contact arrangement for safe disconnection of a power supply in a vehicle

There is provided a contact arrangement for connecting a power supply to electrical components in a vehicle, the contact arrangement comprising: a first mechanical contact for connecting a first lead of the power supply to an electrical component; and a second mechanical contact for connecting a second lead of a power supply to the electrical component; the first and second mechanical contacts being configured to disconnect the power supply in the event of a collision; wherein the first mechanical contact is arranged substantially perpendicular to the second mechanical contact in relation to a transverse plane of the vehicle.