| Concerning the illustrated fire detection and alarm system, when the system is operating normally and under supervision, what is the status of the ground detector and the fire alarm relays? EL-0114 |
| A) The ground detector relay is energized and the fire alarm relay is de-energized. |
| B) Both the ground detector and the fire alarm relays are both de-energized. |
| C) The ground detector relay is de-energized and the fire alarm relay is energized. |
| D) Both the ground detector and the fire alarm relays are both energized. |
