Fire Alarm NAC Calculator
Notification appliance circuit load and voltage drop.
Inputs
Results
Total circuit current (A)
2.46
Voltage drop (V)
6.35
End-of-line voltage (V)17.65
Voltage acceptableYes
Current within ratingYes
NAC circuits needed1
Devices per circuit15
Total devices15
Total power (W)59
Battery for alarm (Ah)0.25
Wire Gauge Label14
How to Use This Calculator
- Enter Horn/strobes, Strobes only, and Horns only.
- Set Circuit length (ft), Wire gauge, and Supply voltage (VDC).
- Review Total circuit current (A) and Voltage drop (V).
- Use End-of-line voltage (V) and Voltage acceptable to inform your decision.
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