The invention refers to a mounting arrangement for the energizing cables of an electric motor of a refrigeration compressor, the electric motor being mounted in the interior of a casing of the compressor and the energizing cables presenting an end connected to the electric motor and an opposite end operatively connected to an electric current power source, external to the casing, through the latter. The arrangement includes at least one immobilizing means mounted internally to the casing, so as to retain the energizing cables, maintaining at least part of the extension thereof in a predetermined positioning in the interior of the casing.