Electrical system on plasterboard wall in 5 moves.

As already analyzed in numerous articles on this site, the ease of processing plasterboard makes this material particularly suitable for the construction of new partitions or counter-walls in adherence.

Inside the interspaces of these walls made of plasterboard, it will be easy then, to pass the pipes and the channels of the various utilities such as water, gas and electricity.

In particular, we will analyze in this article the assembly of a "dry" wall electrical system and the creation of exit points.

1. Outline the plant.

First of all, within the metal structure that makes up the plasterboard wall, at the back of the slab, it will be important to trace the lines that indicate the passage of corrugated pipes. (N.B: in case of adhered wall the traces will be made on the wall).

On the newly designed lines, position the block-pipe rings that will be used, together with the clamps, to fix the "corrugati" mapping the project so as to establish, already at this stage, where the holes will be made on the plate for the subsequent assembly of electrical boxes and to take cables from the inside to the outside to make the connections.

To optimize the work, the pipes and cables must be cut into the appropriate positions so as to simplify the assembly of the plant. N.B: it is suggested to abound with the length of cables and pipes so as to avoid having to roll out the whole again or create dangerous junctions during processing.

2. Assembly of the electrical boxes

We will now proceed to fix the plasterboard slabs on the aluminum structure to close the created wall and using the previously designed project-map, the access points will be identified. Once the aforementioned points have been marked with a pencil, mill the slab with a special hole saw or, in the case of junction boxes, with a simple saw for plasterboard.

Insert the electrical box in the hole just created making sure that the cables enter the holes of the box and if the length of the cables is correct, there should be about 8 cm of protruding cables to work comfortably and at the same time avoid waste making patches or additions of the last moment.

3. Finishing of electrical boxes

During the phase described above, it may be necessary to reinforce the points around the sump with polyurethane foam before inserting the electric box.

This operation has two main functions: the first is to improve the strength of the steel biting of the boxes on the slab and the second is to reinforce the stiffness and strength of the plasterboard in an area that could be critical due to the hole created for the entrance of the electrical supports.

4. Switching the electric wires

Once the previous point has been completed with the creation of the holes and the subsequent assembly of the electrical boxes, the work is essentially finished.

Having created a new electrical system, it will be necessary to pass the electric cables inside the corrugated pipes and then proceed with the wiring connecting the equipment to the wires by cutting the electric cables at the right length (NB: do not leave wires protruding outside the terminals closing).

It will also be important to evaluate the insertion of a new control unit that can host a multiple circuit breaker and which has more exit points, compatible with the needs of the new system.

5. Completion of the work

Now proceed with the final touch-ups by mounting sockets and switches in the boxes, checking their stability.

Finally, it will be necessary to fill the damaged parts of the sheet during the fixing operations of the boxes and then complete the work by painting the wall uniformly.

Suggestions:

Intervening on the electrical system turns out to be complex and articulated both because it consists of several elements, and because it is a "potentially" dangerous work.

Against this, the rules that regulate the creation and installation are strict and safety-conscious.

It is therefore recommended to renounce the do-it-yourself for this type of intervention.

The plant must be made only by companies registered with the Chamber of Commerce who will then issue the "Declaration of conformity of the work performed" that will certify that the circuit is up to standard.

To regulate the construction of electrical systems are the rules:

- Cei 64-8 (Italian Electrotechnical Committee) - entered into force on 1 March 1993 - and variant V3 to the same standard, which came into force in September 2011.

- Decree of the Ministry of Economic Development n. 37 of 22 January 2008 (published in the Official Gazette No. 61 of 12-3-2008), which replaced the law 46/1990.

In case you still want to proceed with the construction of the plant in a private way, below you will find basic tips:

1. Use materials in accordance with:

- pipes and cables of a given thickness based on the electric current that crosses them.

- sockets and circuit-breakers approved and above all insulating and fire-retardant.

2. Before performing any type of work, disconnect the power supply of the house.

3. Once the installation work has been completed, before completing the closing of the plasterboard wall, it is suggested to have all of this checked by an expert in plant engineering and / or qualified personnel.

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