Fire Fighting Instructor Interview Question:

Do you know what is a PRE-ACTION fire sprinkler system?

Submitted by: Muhammad

A combination of an electrical/mechanical detection system, charged with compressed air, sprinkler pipes are only filled with water upon electrical detection to avoid accidental water damage.

A pre-action fire sprinkler system is commonly installed in high-risk areas such as data processing facilities or cold storage warehouses.
Submitted by: Muhammad