Which vehicles must be equipped with chains or cables and lamps during lighting up time?

1. Every vehicle which carries oversize freight and which requires the approval of a police officer.
2. Correct answer: A more than 120cm wide trailer or semi-trailer, without floor and walls, which is designed to carry long freights.
3. Vehicles in which the freight sticks out of the loading platform.
4. Vehicles with an overall length of more than 20 meters and a width of more than 3 meters.

WhyChains or cables and lamps in the dark are needed on trailers and semi-trailers wider than 120 cm without a floor and walls that carry long freight. They show where the vehicle ends.