How To Test Live and Neutral Wires Of An Electric Circuit With A Voltage Tester Screwdriver

 



To test a live wire using a voltage tester screwdriver, follow these steps:

  1. Make sure the tester screwdriver is properly rated for the voltage you are testing.
  2. Touch the metal tip of the screwdriver to the exposed wire you want to test.
  3. Place your thumb on the metal cap at the top of the screwdriver.

If the neon light in the handle of the screwdriver lights up, the wire is live. If the light does not light up, the wire is not live.



Important safety precautions:

  • Always turn off the power source before testing any wires.
  • Be careful not to touch any other wires or metal objects while testing the live wire.
  • Use insulated gloves and tools to protect yourself from electrical shock.

If you are not comfortable testing a live wire, please consult a qualified electrician.

Here are some additional tips for using a tester screwdriver:

  • If the screwdriver is not properly rated for the voltage you are testing, it could be damaged or even cause a fire.
  • Make sure the metal tip of the screwdriver is making good contact with the exposed wire. If the contact is poor, the light may not light up even if the wire is live.
  • If you are testing a wire that is connected to a switch, make sure the switch is turned on.
  • If you are testing a wire that is connected to a light bulb, make sure the light bulb is removed. This will prevent the light bulb from blowing out.

If you have any questions or concerns, please consult a qualified electrician.

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