Original Version

Rule 33.2

33.2    Ground or Earth as a Conductor

The Grounding of the neutral or any other conductor in direct current supply systems or in single phase poly-phase  supply systems is permitted only for the purposes of stabilization and protection, and not for use as a return conductor.

Strikeout and Underline Version

Rule 33.2

33.2    Ground or Earth as a Conductor

Ground or earth shall not be used as a normal return or circuit conductor. In direct current supply systems or in single phase or polyphase supply systems, a The Grounding of the neutral or any other conductor shall be used under normal use as a return or circuit conductor; however, the grounding of the neutral or any other conductor in direct current supply systems or in single phase poly-phase  supply systems is not permitted as a normal return or circuit only for the purposes of stabilization and protection, and not for use as a return conductor. The neutral or any other conductor is permitted to be grounded only for the purposes of stabilization and protection.

Final Version
Rule 33.2

33.2    Ground or Earth as a Conductor

Ground or earth shall not be used as a normal return or circuit conductor. In direct current supply systems or in single phase or polyphase supply systems, a neutral or any other conductor shall be used under normal use as a return or circuit conductor; however, the grounding of the neutral or any other is not permitted as a normal return or circuit conductor. The neutral or any other conductor is permitted to be grounded only for the purposes of stabilization and protection.