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Question

Of the three connecting wires in a household circuit:

Which two of the three wires are at the same potential?


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Solution

  1. The purpose of a three-pin plug is to make it safe to supply electrical appliances with main power.
  2. Three pins make up a three-pin plug, i.e.earth, neutral, and alive.
  3. To prevent any risks, each pin is correctly linked to one of the three wires in the electrical cable.
  4. To make it easy to distinguish one wire from another, each has a unique designated color.
  5. Among these wires, neutral and earth wires are of the same potential.

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