Deprecate this tag?
There is now the more generic tag power=cable covering underground cables. "Underground cable" is not very appropriate for offshore cables (they may not even be covered but lying exposed on the see floor at large depths). The location can be indicated by location=underground/sea. power=cable is used more often than power=underground_cable according to Taginfo. Since these two tags imply pretty much the same thing I would propose to deprecate this tag. --polderrunner 20:15, 28 October 2012 (UTC)