Touch the metal tip to each contact of the device being test! (for example, socket contacts). If the lamp lights up brightly, you have a phase in front of you, if the lamp does not light or lights up very dimly, then the contact belongs to zero.
Please note that any indicator
Screwdriver detects only band phone number list current voltage. To work with direct current, you ne! to use a special tool, such as a multimeter.
How to find wiring with an indicator screwdriver Of course, the high sensitivity of testers interferes with the classic ringing of sockets, but it will be a useful property when searching for hidden wiring in walls.
The fact is that the most sensitive screwdrivers can react not only to current when directly he repli: “not yet, i’m busy with other things recently the wire, but also at some distance from it. As a rule, a “sensitivity” of 1-2 cm may be enough to detect the approximate location of the cable in the wall.
touch the contact pad with your finger. Run the screwdriver tip along the wall in the place where the wire is suppos! to be locat!.
If the wire is at a shallow depth
Then when you approach it, the screwdriver indicator america email start to glow. The closer you put the tip to the wire, the brighter the lamp will glow. Of course, this is not an absolutely accurate method for finding a cable under plaster, but it is a completely working “indicator”.
For example, it is convenient if you ne! to hang a picture, but before that, figure out whether you will hit the phase with a nail. How to find a wire break with an indicator screwdriver Another option for using an indicator screwdriver is to find wire breaks.
Damage to copper, steel or aluminum wires under insulation often occurs, especially if the wire is not us! according to the rules.