Original Version

Rule 36.4

36.4    Ground or Earth as a Conductor

The grounding of the neutral or any other conductor in direct current supply systems or in single phase or polyphase supply systems is permitted for the purposes of stabilization and protection, and not for normal use as a return or circuit conductor except as portions of circuits used in applying impressed current cathodic protection.

Strikeout and Underlined Version

Rule 36.4

36.4    Ground or Earth as a Conductor

Ground or earth shall not be used as a normal return or circuit conductor.  The grounding of the neutral or any other 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 conductor 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, and not for normal use as a return or circuit conductor except as portions of circuits used in applying impressed current cathodic protection on portions of circuits used for that purpose.

Final Version

Rule 36.4

36.4    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 conductor is not permitted as a normal return or circuit conductor. The neutral or any other conductor is permitted to be grounded only for the purpose of stabilization and protection, and applying impressed current cathodic protection on portions of circuits used for that purpose.