Which of the following is a requirement when using a tow hitch?

Using a tow hitch that is rated for the weight of the trailer being towed is critical for safe towing practices. This rating indicates the maximum weight that the hitch can handle without risk of failure. If the hitch is not properly rated for the trailer's weight, it can lead to dangerous situations such as the hitch breaking while in use, loss of control of the vehicle, or damage to the trailer itself. Therefore, ensuring that the hitch matches or exceeds the weight specifications of the trailer being towed is an essential safety measure to prevent accidents and ensure stability during transport.

Other considerations, like customizing a hitch for specific trailers, painting for visibility, or conducting monthly inspections, although important in certain contexts, do not directly address the fundamental need for a weight rating. Customization may enhance compatibility but does not substitute for the need to adhere to weight limits. Visibility is less relevant to the functional safety of towing. Regular inspections are good practice but are not a strict requirement for hitch usage as weight ratings are.