some locations it affects the ability to double tow as the primary connection cannot be a ball hitch).
Transportation Alberta:
Two trailers can only be towed if the
lead is a fifth wheel trailer with at least two axles in tandem. (length of TV and first trailer to a max of 20m)
No rules on what one uses for a hitch for the
fifth wheel trailer .
No specified rules on safety chain requirements for RV trailers in Alberta either. must correct this 0-2 chains, 0 if fifth wheel, 1 for other,, 2 is recommended but not required.
BC requires one safety chain for RV trailers.