Induced low voltage on metal equipment which causes low shock can be prevented using:

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 1
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  1. phase line
  2. earthing
  3. neutral
  4. insulated footwear

Answer (Detailed Solution Below)

Option 2 : earthing
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Detailed Solution

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  • Induced low voltage on metal equipment which causes low shock can be prevented using earthing.
  • The main function of the earth wire is to prevent the live wire from overloading and absorbs the excess electrons & flows to the ground.
  • Earthing is necessary to give protection against the danger of electric shock.
  • The earthing protects the apparatus and personnel from the high voltage surges and lightning discharge.
  • The earthing provides the easiest path to the flow of short circuit current even after the failure of the insulation.
  • The earthing protects the personnel from the short circuit current hence it provides safety against shock.
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