PURPOSE: To join a distributing duct in a one-touch manner without bolt or nut in a connecting apparatus of the distributing duct for holding a cable.

CONSTITUTION: A connecting apparatus comprises a distributing duct A, and a connecting member B having a surrounding space capable of installing a capable. In one end of the connecting member B, an insertion part X1 of the one end side which is inwardly fitted into the duct A and is held is formed, and in the other end of the connecting member B, an insertion part X2 of the other end side which is inwardly fitted into another distributing duct A' joined to the duct A and is held is formed.