Low Voltage Practice
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*Please keep in mind that these tools are for references only. You shall always check National and Local code for minimum requirements.*
Voltage Drop Calculator
Voltage Type:
DC
AC (Single Phase)
Starting Voltage (V):
Wire Size (AWG):
24
22
20
18
16
14
12
10
8
6
4
2
0
Circuit Length (feet):
Load Amperage (A):
Calculate
* Per NFPA 70 and 72, total voltage drop should not exceed 10% for fire alarm circuits.