How to correctly install and connect the light switch in the bath: detailed instructions in photographs. How to install a light switch: wiring diagram and connection rules How to install a single-gang switch

In this article, we will consider the issue in detail. No need to break your head

to whom to contact with this problem, where to get a specialist electrician. There is no need to spend time searching and spending money on a call, all this is done easily and simply. You just need to follow the detailed instructions given in this article and the question how to install light switch , will be solved without any difficulties and puzzles.

So, we have a new one-button switch and the desire to install it.

The installation site looks a little dull so far, an empty socket and two wires sticking out of it, but that's only until we installed a new switch.

Preparing the switch for installation

First of all, before carrying out all the work, it is necessary, using the voltage indicator (pointer), to determine the wire with the incoming phase. To do this, alternately bring it first to one wire, then to another. We mark the desired one with an insulating tape.

Now, we turn off the electricity, check its absence on the wires, with the help, and only after that we get to work.

There are many different types of switches. They vary by manufacturer, by price category, performance quality, various methods connecting wires to terminals and so on.

Let's consider two main installation options. In the first case, we will install a switch of a cheap price category up to 80 rubles.

We prepare the switch for installation, and for one thing we will find out how the switch works.

Using a flat screwdriver, remove the switch key, put it on the left or right side and disconnect it from the case.

We unscrew the two screws located diagonally on the protective frame, disconnect it from the mechanism.

There are four screws on the mechanism, two of them are contact screws, they are designed for attaching wires to the mechanism. The other two set in motion a spacer mechanism, which is designed to secure fixation mechanism in the socket.

contact screws.

Screws for the left and right spacers.

We unscrew the contact screws, on the upper end side it will be seen how the pressure plates move.

One of the contacts is incoming, the phase comes to it, the other is outgoing, the phase goes to the lamp from it. Each contact has two holes for connecting wires. We figured out how the switch works, proceed to the next step.

Switch connection

We clean the wires, remove required amount insulation, about 1 cm.

On inexpensive single-gang switches, as a rule, the designation of contacts, incoming and outgoing, is not indicated, but just in case, look at back wall mechanism, designations can be as follows:

• numbers 1 and 3 - here 1 contact of the incoming phase, 3 outgoing
• the letter L and the number 1 - here L is the contact of the incoming phase, 1 outgoing
• the letter L and the arrow - here L is the contact of the incoming phase, the arrow is outgoing

These are the most common designations.

We return to our switch. We insert the stripped wire into the hole, make sure that it is between the clamping plates, tighten the contact screw. We check how well the wire is fixed. It should not swing and stagger, if such a fact takes place, we tighten the contact screw. A poorly stretched contact will burn and eventually lead to failure of the switch.

Do not overdo it, on switches of an inexpensive price category, feints and threads are not very reliable, it is very easy to rip off.

The bare core of the wire should stick out of the contact by 1-2 mm.

Insert and tighten the second wire.

We unscrew the screws of the spacer mechanism, insert the switch into the socket, align it horizontally and fix it. We tighten the spacer screws and check the reliability of fastening the mechanism in the socket.

We install the protective frame, tighten the diagonal screws, securing it to the mechanism.

Installing the key. Before installation, we look at the alignment of the pins and grooves of the moving part of the mechanism and the key.

This completes the connection of the switch.

Consider now the second installation option.

How to connect a light switch, option two

This option includes switches of an expensive price category over 100 rubles apiece.

Preparing the switch for installation. During the process, we look at its device.

These switches are usually not sold in complete set. The mechanism and the key are together, and the frame is separate. This is to allow you to be creative in the design of the switch, such as a white key, a black frame, and so on as you see fit.

The switch key is removed very easily by hand. We're filming.

On the left and right are the screws of the spacer legs.

Flip the switch. The first thing that catches your eye is the complete absence of screw, terminals and clamps. This category of switches has plug-in contacts, which have proven themselves quite well in lighting.

Let's take a closer look. On switches of this class there are always symbols.

AT this case:

• L - contact for incoming phase wire
• down arrow - outgoing wire contact

Each contact has two plug-in contact holes.

We clean the wires, remove 1 cm of insulation.

We stick the wires one by one into the contact.

The wire should go tight and rest. In this case, it is allowed that the wire insulation sticks out of the contact by 2-3 mm. We check how the contact is clamped, we try to pull the wire back, if with a certain effort (not with all the force) it is not pulled out, the contact is good. We continue to connect the switch.

Let's move on to the next thread.

If it becomes necessary to pull the wire out of the plug-in terminal and adjust the length of the stripped core, press the lever specially provided for this purpose.

We press and the wire is free again free.

After connecting the wires, we proceed to install the mechanism in the socket.

If your mechanism, without any difficulties, is installed in the existing socket and is securely fixed there, then you just have to put on the frame and install the key. But as a rule, in most cases, the mechanism in the socket is not fixed, the spacer legs do not reach the edges of the socket, it is too large. To How to connect the light switch if such a situation arises? Let's figure it out.The fact is that earlier there were other standards and switch mechanisms were more massive. Now the switches have become more compact, the mechanisms no longer take up so much space in the socket, and the installation of the switch in the socket has undergone some changes.Under the new modern switches make the corresponding sockets.

They are now made not from iron, as before, but from special non-combustible plastic.

When purchasing a new switch, you must definitely purchase a socket for it, they basically have a standard diameter of 67 mm.

So, in this article, we have analyzed in detail two connection of a switch with one key, having analyzed two various examples installation, and now, we can rightfully consider this topic closed.

To carry out work on the installation of the switch, we used:

Material

• single-key switch - 1 pc.
• socket box - 1 pc. (required in some cases)
• gypsum or alabaster - 200 grams (required in some cases)

Tool

• voltage indicator
• pliers
• wire cutters
• Phillips screwdriver
• flathead screwdriver

By installing the switch with our own hands, we saved:

• - 200 rubles
• dismantling of the old socket box - 100 rubles
• socket box installation indoor installation(brick wall, drilling a hole, installation) - 200 rubles
• installation of a single-gang indoor switch - 150 rubles

TOTAL: 650 rubles

This article is about how to install a light switch. Generally speaking, light switches are used to control electrical lighting in residential and commercial buildings. In most of these cases, the light switches are mounted on the wall at a specific location in the room, the height at which they are mounted, or the shape of the switches is different depending on the desire.

Light switch - has many types: single and multiple, internal and external. The installation of the light switch should be carried out by a person with experience in working with electricity.

To install the switch, you must do the following ...

How to install a light switch

The first thing you need to do is to turn off the breaker. Some people believe that it is safe to turn off only the meter on which you install the switch, but we strongly recommend that you keep the main power switch turned off.

Turn off the machine

Then, use a voltage tester on each wire to make sure there is no electricity and everything is safe. We emphasize that it is better to check it several times before touching electrical wires.

Switch connection wiring

The next step of the project is to remove paint, residue or dirt from the box using pliers. Make sure that the area under the switch is free of debris and excess materials. This operation is important, especially if you are dealing with a newly built house or a repainted room.

However, even if you are replacing an old switch, you need to make sure that the new electric light switch will be installed and aligned properly.

After you have bought a light switch, you must open it using a screwdriver. This operation is important because you will connect electric wires With inside switch.

The next step of the project, after we opened the light switch, we need to start connecting the switch. Use pliers to cut off excess wires about 15 cm from the wall.

This length should be enough to connect the switch, and it is more convenient to work. Remember that you should not leave long wires, in the future they may not get into the switch box.

After we've made sure the wires are cut to the proper length, we move on to the next step. Use pliers to remove approximately 2.5 cm of wire insulation. Remember, in order to avoid further touching the bare wire, do not chamfer more than the specified length.

How to connect a light switch

Use pliers to bend the end of the wires into an L-shape (depending on attachment to the switch terminals).

Do not forget about the correct connection of wires. Commonly used following colors wires:

• white or brown - phase;
• blue or black - zero;
• yellow, green, yellow-green - grounding;

And general rule: the lightest wire is the phase (white, white-brown, brown).

Use a screwdriver to firmly tighten the screws holding the wires in the switch.

After you have finished connecting the light switch , it is better to check again if all the wires are in place and firmly fixed. At this stage, you should have the following picture:

After you connect all the wires to the switch and check their reliability, carefully insert the wires into the switch box. Insert the switch there and if everything falls into place, fix it with screws.

To align the light switch, you can use laser level, but you can use a stationary level. This will only make the process a little more difficult, especially for beginners. Once you have leveled the switch, finally tighten the screws.

The next step after installing the light switch in the box is to install the switch buttons. It is enough to attach the button and press a little so that it sits in its grooves.

This operation is not difficult, and besides, it represents one of the final steps of the process.

If you have finished connecting and installing the switch, go to the switch and turn on the general light.

The last step, turn on the light using the new mounted switch lights to see if the hard work paid off. If the light turns on without interference, it means that you did everything right.

In the picture you can see how to connect correctly electric switch light: single-key, double-key and so on.

Thank you for reading our article on , how to connect and install a light switch, we recommend that you read our other articles.

Not for seasoned electricians easier work than the banal installation of a switch. In fact, there is nothing super complicated in this operation. True, in addition to the obligatory observance of the rules indicated in the code for electricians of the PUE, knowledge of some subtleties is also necessary. They will tell beginners how to connect the light switch in their favorite bathhouse so that bath procedures take place in civilized conditions.

Competent choice of "captain" wiring

We will leave the title of general to ourselves, because. to serve as a switch under our supervision. We will assign the colonel to an old-style package switch or a brand new two-pole machine installed in the power supply panel of a country property. The colonel will give the order to the captain during the period of connecting the device to the electrical wiring in order to completely remove the voltage.

Important! During the period of work with electrical wiring, the current supply to the facility being equipped must be completely blocked, i.e. remove the voltage by disconnecting.

The device that gives commands to the light bulb under our command is selected according to the type of wiring available. She may be:

• open - laid on top of walls, mainly made of logs or timber;
• hidden - carried out in strobe channels hollowed out in brick, foam concrete, aerated concrete.

With open wiring, everything is extremely simple: the paths for supplying and exiting the electrical flow, as well as the connection points, are determined by the naked amateur eye. To equip a bath with hidden wiring, you will need a power grid diagram, with which you need to determine the point of possible installation.

Switches for wiring hidden and open type differ structurally and externally:

• Hidden on / off devices are flush with the walls, delighting the owners only with a beautiful protective cover. The entire filling of the device is "sinked" in a pre-hollowed niche. The mechanism that gives the captain's commands is placed in a dielectric socket, similar to a shallow plastic glass. It must be installed initially in the formed recess. Fix hidden sockets in drywall partitions with the help of special spacers, in brick and concrete walls they are “planted” on alabaster or on building mixture. Sockets for flush-mounted switches are sold separately, they must be selected depending on the material of the wall.
• Switches for open mains are equipped with a flat plastic or metal platform instead of a bowl-shaped installation device. It must be attached with galvanized self-tapping screws to wooden wall, dowel-nails to brick or concrete.

Both variants of switches have an equivalent number of structural components. This is a socket box, a command mechanism and decorative and protective parts made of dielectric materials that prevent the passage of current. Read more about choosing switches on the Engineer's Advice website.

General principles and installation algorithm

The installation of both types of devices is carried out by analogy; general principles and a single work algorithm:

• First, a socket box is attached, which is a bowl or platform;
• Then the light switch is directly connected by creating the correct connections between the current-carrying wires and the command body;
• Then the mechanism is fixed on the plate or in the socket-glass using screws or spacers;
• At the end, the results of the efforts are closed with a lid and the keys are put on.

The main snag is the correct connection of the wires to the working-command body of the switch. And in order to cope with this problem, you need to figure out the wiring diagram.

Switching device connection diagram

Failure to follow the rules for installing a light switch is fraught with overheating, followed by sparking and short circuit. Another very unpleasant consequence is the preservation of voltage in the wiring. Because of it, even after turning off the lamp, it will not be possible to replace a burned-out element without feeling the delights of a household electric shock.

Let's secure ourselves and property personally, remember the mysterious "phases" and "zeroes". Let's find out and remember forever what needs to be connected to what:

• Zero or, as is customary in the world of electricians, the zero core is displayed on the lighting device.
• Phase goes to the switch. A circuit must be closed within the phase core in order for the light to turn on and off. It is when the switch is turned to zero that is directly opposite, the light will turn on and go out at the order of the owner, but the lamp can be changed only after traveling to the switchboard with the bath completely disconnected from the power supply.
• There is also a phase section from the lamp to the switch. The circuit will turn off and on from key clicks at the break point of the phase channel. Those. in the place where the phase segment leading to the light bulb begins and the phase wire exiting the switch ends.

So, you need to bring to the lamp both phase and neutral wire, and only one to the switch - phase. Note that all these tricky weaves are in the junction box. In fact, they are of interest to home craftsmen who install a switch in an unfurnished room or who decide to upgrade an existing system.

All connections of conductive sections are made in the junction box. AT plastic channels or in a wall, it is undesirable to connect wires due to complications in identifying and repairing damaged areas. If not near the installation site junction box, you can stretch the phase and zero from the input shield.

The described principles for installing a single-key switch also apply to devices for turning on two or more lighting points. Accordingly, they have two or more keys. The difference is that each of the keys is supplied with a phase segment from the lamp, the operation of which it must control. The phase from the junction box to the switch with any number of keys is carried out exclusively one.

Color and marking of current-carrying channels

In the vast majority of cases, the owners of baths, houses, apartments trust electricians to improve the circuit with a new device. Getting involved with the intricacies of the junction box is often simply no time and not handy. The most common cause of effort home master there is a switch replacement when phase and zero current-carrying channels are already connected to the installation point.

Attention. New installation circuit breaker or its replacement is carried out only if the entire range of wires is present, forming an electrically conductive loop.

In order for inexperienced electricians to have no difficulty in determining the phase with zero, the external insulation of the current-carrying conductors has a “combat” color:

• the phase core will be covered with a white or brown sheath;
• the blue color of the dielectric protection will proclaim: this is zero;
• yellow or green color various shades- grounding.

According to the color prompts, you should determine how to install and what to connect the light switch to. Additional service from the manufacturer is the application of designations to the mechanism itself for a specific orientation on entry and exit issues. The connection points are indicated by the letter L with a number. For example, on a two-key device, L3 denotes phase input. Nothing else will be found next to him. On the opposite side of the device, there are connection points L1 and L2 in a row, each of which must be connected to a separate lighting device.

Sticking or clamping: which is easier?

For simplicity and reliability of the formation of connections, the connection points of the circuit breaker are equipped with plug-in and screw devices:

• The plug-in contacts firmly clamp the wire stripped to 1 cm with a spring. To disassemble the connection, opposite side the plug-in device has a button that operates on the principle of "pressed - released";
• The screw contact must be tightened with a screwdriver, having previously placed about 2 cm of the stripped wire under the terminal. There should not be a millimeter of insulation under the terminal, otherwise it will melt and become a threat to the owners.

No one observes a fundamental difference in terms of reliability between both options. However, sticking is easier and faster. Therefore, switches with plug-in contacts are strongly advised by sellers construction stores inexperienced craftsmen. Electricians agree.

How to install a surface switch

Russian banyas are mostly wooden. Hidden lay in them electrical circuit there are few people willing. For device open wiring now they produce a lot of nice products in retro style coated with excellent insulation. The company will need a surface-mounted switch for them. Let's talk about the sequence of its installation.

Suppose we have already acquired a switch for open wiring. It is in the factory assembly, one key. We will install and connect a new overhead light switch in the following sequence:

• Using a slotted screwdriver, carefully pick and remove the key, then remove the protective and decorative cover.
• We disconnect the working mechanism.
• Dismantled. Only the socket plate remained in the hands. It has holes for wall mounting.
• Let's attach the plate to the installation site, just in case, mark the points and the line of the upper edge. Let's check that it is clearly horizontal. Do not forget that all subsequent parts will be attached to the socket. If we warp it, then everything else will go to the same steppe.
• We fasten the exactly horizontally aligned platform-socket box with galvanized screws. You should not make a mistake even for a couple of mm - the wood “does not like” holes located nearby.
• We cut the wires with maximum precision in accordance with the type of contacts. It is desirable that after all the operations there is no excess wire under the decorative cover.
• We connect the mechanism to the wiring, following the marking prompts and in accordance with the color of the wire.
• We check the quality of the created connection with a multimeter screwdriver or a more complex electrical tester.
• Everything is fine? We screw the mechanism.
• We put the cover in its rightful place, snap the key.

This completes the installation process.

Installation and connection of a closed switch in pictures

A completely uncomplicated process. Dismantled - correctly installed and connected - assembled.

Minimum components, there will probably not be any extra nuts after assembly. It is impossible to get confused if you figure out in advance what is connected to what. Everything literally has to check own forces as a beginner electrician. The main thing is not to forget about the safety rules, otherwise the current strength will test you for strength.

A single-key switch is the simplest product designed to control home lighting.

From time to time, such products have to be repaired or replaced, so it is advisable to present a diagram of their inclusion and the principle of operation.

In our article you will find answers to your questions, a diagram and video recommendations for connecting a single-gang switch.

The switch is part of the circuit, which includes a source and consumer of electricity. In this variant, this 220 V network and lamp. To turn such a lamp on and off, there must be a disconnecting device between it and the network.

The switch, which has one key, is connected in series to the phase line of the network. In principle, it can also be included in the zero line, but this, firstly, will contradict PUE rules, and, secondly, it will be unsafe when servicing electrical devices.

The danger is that when the device is installed in the zero line, the nodes of the energy consumer will be energized even when it is in the off state. And when touching an electric device, a person may be shocked.

To connect a lighting lamp to a network using it is usually used, in which switching is performed. At the same time to her fit 6 electrical lines - two are energized, two go to the lamp and two go to the switch.

How to choose

Depending on the type of wiring (or) in the house, switches of one or another type can be used. They differ in their design in terms of their installation on the wall.. In the first case, the device is installed on a wooden plate placed on the wall surface, in the second case, in a metal or plastic socket recessed into the wall.

In any case, when choosing a switch, you should pay attention to its limit characteristics. Typically, the operating voltage of a standard device is 220 V, and the operating current is -10 A.