Abort switches in fire suppression systems are subject to which requirement?

• A. Abort switches are optional in most systems.
• B. Abort switches are required to be placed at the exit of the protected space.
• C. Abort switches may be located anywhere.
• D. Abort switches must be installed on the electrical panel.

Answer: (B)

Abort switches let someone stop an automatic discharge of a fire-suppression system once the initiation sequence has started. They’re placed at the exit of the protected space so a person who is leaving can quickly reach and press the switch if the situation is not as it initially appeared or if the trigger was accidental. This location puts the control in a safe, accessible area and supports immediate intervention without someone having to re-enter a hazardous space. Other placements would either make the abort hard to reach at the critical moment or rely on non-occupant locations, reducing the opportunity for a timely, safety-oriented intervention.