Tools & Answers for Fire Alarm Pros
Practical calculators, troubleshooting references, device lookups, and a live panel simulator built for real jobsite use and NICET prep.
Built by a fire alarm tech • Field-minded • NICET-friendly
Most Used Tools
Start with the tools people actually use in the field.
Calculators
Quick field tools for battery sizing, voltage drop, wire fill, and more.
Device Replacements
Find replacement paths for discontinued or hard-to-source devices.
Panel Simulator
Train on a panel-style interface that behaves more like the real thing.
Devices & References
Browse practical device information, field references, and diagrams.
Code & Industry Notes
Quick reminders based on recent training and commonly discussed updates.
Recent topics worth watching:
- Cybersecurity expectations for fire alarm systems
- Battery calculations using the 1.25 safety factor
- Pathway survivability updates and design impacts
- Deficiencies, impairments, and observations in inspection reporting
- Expanded CO and low-frequency notification discussions in certain occupancies
- Updated expectations for submittals and shop drawings
Last updated: April 2026 • Always verify with adopted code, manufacturer documentation, and AHJ requirements.
Why FireAlarmGuy
FireAlarmGuy is built for working technicians, programmers, inspectors, and anyone studying to move up. The goal is simple: make useful fire alarm information easier to find and faster to use.
That means less fluff, more field value: calculators, troubleshooting references, simulator training, and guides that are actually practical on a job.
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