An operating table column is disclosed. The operating table column includes a column part and a head part configured to connect a patient support surface of an operating table to the column part. The operating table column also includes a power supply unit disposed on the column part for supplying power to the operating table. The head part includes a first head element mounted rotatably about a first rotation axis and a second head element mounted rotatably about a second rotation axis. The column part includes an actuator configured to lift the patient support surface. At least one tube is configured to connect the power supply to the operating table and is protected from exposure to external elements. The actuator includes a cover configured to guide a portion of the at least one tube at least partially through the first head element in an area adjacent to the first rotation axis.