The answer will depend on many factors such as:
- distance between the two points for which a voltage drop is to be calculated i.e the length of the cable run
- wire size and material (copper, aluminum...)
- type of insulation used in the cable
- type of cable fixing (in the open air, along a wall, in a duct, underground, etc.)
- expected ambient temperature at full load
For more information please see the
Related Link and the answers to the
Related Questions shown below.