Socket with short circuit protection for the repair of 220 V devices


This is an incredibly useful device that will protect your home from a short circuit when checking any tested appliances. There are cases when it is necessary to check the appliance for the absence of short-circuit, for example, after repair. And in order not to expose his network to danger, to hedge and avoid unpleasant consequences, this very simple device will help.

Will need


  • Socket invoice.
  • Keyboard switch, invoice.
  • Incandescent bulb 40 - 100 W with a cartridge.
  • Double wire double insulated 1 meter.
  • The plug is folding.
  • Screws.

Socket with short circuit protection for the repair of 220 V devices

All parts will be attached to a wooden square made of chipboard or other material.
Socket with short circuit protection for the repair of 220 V devices

The cartridge for the bulb is better to use the wall, but if you don’t have one, we make a brace for wrapping from thin tin.
Socket with short circuit protection for the repair of 220 V devices

And throw out a square of thick wood.
Socket with short circuit protection for the repair of 220 V devices

It will be fixed so.
Socket with short circuit protection for the repair of 220 V devices

Short Circuit Socket Assembly


Diagram of the entire installation.
Socket with short circuit protection for the repair of 220 V devices

As you can see, all elements are connected in series.
The first step is to collect the plug by connecting the wire to it.
Socket with short circuit protection for the repair of 220 V devices

Since the wall socket and the switch are wall-mounted, we make cuts for the wire with a round file on the side. This can be done with a sharp knife.
Socket with short circuit protection for the repair of 220 V devices

Screw the wooden box to the base with screws. Pick up such that they are not passed through.
Socket with short circuit protection for the repair of 220 V devices

Screw the cartridge with the lamp bracket to a wooden square.
Socket with short circuit protection for the repair of 220 V devices

We disassemble the outlet and the switch. Screw the screws to the base.
Socket with short circuit protection for the repair of 220 V devices

Connect the wires to the cartridge.
Socket with short circuit protection for the repair of 220 V devices

For complete reliability, all wires are soldered. That is: we clean, bend the ring, we solder with a soldering iron with solder and flux.
Socket with short circuit protection for the repair of 220 V devices

Power wire fix nylon ties.
Socket with short circuit protection for the repair of 220 V devices

The circuit is assembled, the installation is ready for verification.
Socket with short circuit protection for the repair of 220 V devices

For the test, insert the charger from the cell phone into the socket. Press the switch - the lamp does not shine. So there is no short circuit.
Socket with short circuit protection for the repair of 220 V devices

Then we take the load more powerful: the power supply from the computer. Turn on. Incandescent lamp at the beginning of the flashes, and then goes out. This is normal, as there are powerful capacitors in the unit, which are infected at the beginning.
Socket with short circuit protection for the repair of 220 V devices

Simulate short circuit - insert tweezers into the socket. Turn on, the lamp is shining.
Socket with short circuit protection for the repair of 220 V devices

Here is such a wonderful and very necessary device.
Socket with short circuit protection for the repair of 220 V devices

Such an installation is suitable not only for low-power devices, but also for powerful ones. Of course, a washing machine or electric stove will not work, but the brightness of the glow can be understood that there is no short circuit.

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