Abstract: A self-clamping cable guard for clamping power cables of a power cable bundle of a cable support arrangement in a wind turbine, whereby the self-clamping cable guard includes three recesses arranged about a central longitudinal axis of the self-clamping cable guard for positively clamping a power cable of the power cable bundle inside of each of the three recesses, and whereby the self-clamping cable guard includes three wear protection plates arranged about the central longitudinal axis, whereby each of the three recesses includes an open side for insertion of a respective power cable of the power cable bundle therein, each of the open sides of one of the three recesses being respectively limited by two of the three wear protection plates to protect the power cables clamped inside the recesses from wear. A cable support arrangement for a wind turbine and a wind turbine is also provided.