How do you compute voltage drop?

Answer:
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

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First answer by Martinel. Last edit by Martinel. Contributor trust: 883 [recommend contributor recommended]. Question popularity: 2 [recommend question].