To minimize the number of cables on the suction tube and to avoid having to replace the whole cable running from the instrument on the suction tube to on board the ship (in the event of a cable break),cabling on the suction tube is made up of limited-length cables (approx. 10 m) with a plug at each cabling on the suction tube is made up of limited-length cables (approx. 10 m) with a plug at each Besides some different standard versions makes MSA-Service also junction boxes according to customer specifications, for example, with intelligence, plc, fibreglass to copper, etc.