What safety chains or cables should be connected as part of coupling a converter dolly to the trailer ahead of it?
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 78 (Doubles/Triples): Safety chains between the dolly and the trailer it is coupled to, as a backup if the primary connection fails
Why
Safety chains provide a backup connection between the dolly and the trailer ahead of it, helping prevent full separation if the primary pintle hook connection were to fail.
Updated: November 2026