Commonly Used Telecom Power Cable Sizing Table


Conductor Size (mm) = Size of power cables being used  (Refer to the cable sizing table below)

Voltage Drop (V) = Change in voltage from batteries to charger

Amperage Capacity (A) = The highest amount of amps that will be flowing through the power cables

Loop Distance (ft) =  distance of power cables from batteries to charger (power plant)

​​Helpful Equations


Calculating Required Conductor Size:

Calculating Allowable Voltage Drop:

Calculating Allowable Circuit Amperage Capacity:

Calculating  Allowable Loop Distance

Below you will find a list of equations and tables to help you design your DC power system. Check back with us soon to find more helpful tools and tips.