@jnbhlr @pekkatahkola @publicvoit Never really had a cable freeze on me during winter. If there's water (e.g. rain), that usually means it's not freezing, and if it's freezing, then there shouldn't be much liquid water. Especially at Oulu temperatures (I think I saw mentions of -17C and -30C). At those temperatures, all the moisture in the air will have long since condensed down to the ground and frozen. In any case, a little dab of grease where the wire exits the cable helps stop water from getting into the housing. Hydraulic lines with mineral oil should also be fine even at -30C.