Reference · Design
Sequence of Operations
The matrix that defines what every input does to every output — which detectors recall elevators, release doors, shut down fans and sound which appliances. The single most useful commissioning document.
NFPA 72: 7.3.3, 23.8
Section numbers vary by edition — confirm in the edition your AHJ has adopted.
Read more in these guides
Acceptance Testing vs Commissioning: What's the Difference?They sound interchangeable, but they answer different questions. One asks 'does this system work?' — the other asks 'does the whole design work together?'Data Center Fire Alarm Commissioning: An NFPA 3 & NFPA 4 PrimerData centers stack fire alarm, clean-agent suppression, and mechanical interlocks into one response. Here's how commissioning proves the whole chain works — grounded in NFPA 3 and NFPA 4.
