CCTV System Cable length calculation
Here you can calculate the voltage rating flowing in a video surveillance system, an important value to verify if enough tension will arrive to cameras.
The calculator is based on continuous power (DC)
Cable Section (mm2)
Spec. res.: 0.09 Ωm
Section Length
1 m
mA drawn
200 mA
Supply voltage:
12 V
Voltage drop 0.02 (V)
Voltage at the end of cable: 11.98 (V)
Voltage at the end of cable: 11.98 (V)