How to build a test lamp electrician ?

for home network

If you have decided to make a test light to check the wiring in the house, where the supply voltage is 220 voltsthen all you need is:

1. lamp 220 W.
2. Electric cartridge.
3. Two copper stranded wire length of 50 cm each.
4. Probes for ease of use control print.
5. Protective cover for the bulb.

So, all you have to do - connect the wires to the cartridge and insert it into the lamp.As you already understood, homemade indicator lamp 220 V has a fairly simple design that allows you to build it with your own hands, even inexperienced electrician.

To make it convenient to use kontrolku recommended further the ends of each wire connected to the probes, which will be much easier to use if you need to check the voltage at the outlet.

also recommended further protect the bulb cover, whether it's protection from a wire or a transparent plastic cap suitable size.Protect the lamp is necessary because they are often in measuring burst and can damage the novice electrician.

Photo examples of several options homemade from the bulb and two wires you can view below:

addition we recommend to view a video workshop for assembling homemade battery-powered:

for car

If you want to make their own kontrolku for cars to 12 volts, we recommend using the following scheme:

In this example, VD1 and VD2 is the light-emitting diodes of different colors, which will signal that to the "+" you touchedor to "-".HL1 is normal lamp 1.2 W, which is necessary to check the "low current".Checks are carried out when the button, which is also shown on the front of the lamp circuit.As the author of the probe diode test lamp using a conventional screw in wood.Wire is recommended to take an acoustic becauseit is flexible and not so quickly be damaged during operation.In contrast to the control print in the 220V, car equipped with a homemade wire length of 2 meters, so that you can perform measurements even in the car interior or under it.Well, the last thing to note - to make a neat device, use the socket for the cigarette lighter, which will be an excellent body to control light.

In addition we recommend to view a video in which the expert shows some of the most popular types of controllamps for cars (for 12 and even 24) that can be done with his own hands:

that's all that I wanted to tell you how to do kontrolku 12 and 220V with his own hands!We hope the scheme was understandable for you, becausecollect the first version of homemade simply at home!

It will be interesting to read:

• How to use a multimeter - for dummies
• guide How to check the grounding outlet
• How to become an electrician at home