80 - Couplers.

§ 80. Couplers. It shall be unlawful for any railroad or other company  to haul, or permit to be hauled or used, on its line or lines within the  state,  any  freight  car  not  equipped with couplers of the master car  builders' type, and coupling automatically by impact, and which  can  be  uncoupled,  except  in  cases  of accident, without the necessity of men  going between the ends of the cars.