| What statement is true concerning temporary protective grounds used to establish an equipotential zone for the purposes of eliminating the electric shock hazard? |
| A) A shock hazard exists only when there is a difference in potential between conductors. |
| B) A shock hazard exists only when there is a difference in potential between a conductor and hull ground. |
| C) A shock hazard exists when there is no difference in potential between conductors or a conductor and hull ground. |
| D) A shock hazard exists when there is a difference in potential between conductors or a conductor and hull ground. |
