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Sergeu [11.5K]
3 years ago
8

The third wire in a three-pronged plug is called a

Physics
2 answers:
Serggg [28]3 years ago
6 0
 Thethird prong on an appliance cord is an extension of that grounding system
777dan777 [17]3 years ago
3 0

Answer: Earth wire

Explanation: In the three-pronged plug , left pin is neutral and  color of this pin wire is black, right pin is  phase and color of this pin wire is red and third pin which is larger then other two is earth pin and color of this pin wire is green.

Third pin use for safety from the shock and to control high voltage of electricity.

So, the third wire in a three-pronged plug is called earth wire.

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