Cable treatment device for elevator

Provided is a cable treatment device for an elevator, the cable treatment device facilitating the mounting of a cable, which extends in the hoistway, to a predetermined base. A cable treatment device is provided with a support member (4) which supports a cable (3) extending in the hoistway, and also with a base (1f) to which the support member is affixed. At least one protrusion (4a) including an expanded-diameter portion having a greater diameter than the root portion is provided to one of the support member and the base. A retention hole (13) through which the protrusion (4a) is inserted is provided in the other of the support member and the base so as to correspond to the protrusion. The retention hole has an insertion/extraction portion and a retention portion. The insertion/extraction portion has a size which permits the expanded-diameter portion of the protrusion to penetrate through the insertion/extraction portion. The retention portion has a size which does not permit the expanded-diameter portion of