H05V-U Used in closed and dry places, in distribution panels, in static foundations and installations, under and on plaster and inside pipes.H05V-K Used in closed and dry places, in distribution panels, in the connection of active foundation&＃39;s and equipment&＃39;s, under and on plaster and inside pipes.NVV NYM Used in dry and humid areas that there are not any mechanical stress, in all kind of buildings, in stores, in factories and in offices, under and on the plaster. It is not laid down under ground.H03VV-F Used as connection cables in dry and humid places that there are not any mechanical stress.