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North 59 electricity diagnosis

The electrical diagnosis is an essential diagnosis which allows you to determine if the installation contains anomalies which could affect the safety of persons. This is absolutely not a compliance because a 20-year installation (which is no longer up to standards) may be completely blank during the electrical diagnostic check.

In addition to this, you need to know more about it.

Do not hesitate to contact us in order to inform you and assist you with the procedures to be carried out.

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We operate throughout the department as well as in Pas-de-Calais to carry out this Electrical Diagnosis in Lille, Douai, Arras.

Electricity diagnosis

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The state of the indoor electrical installation is a document that provides an overview of the safety of electrical equipment in real estate. This document aims to inform the buyer or tenant about the property he plans to buy or rent. The obligation to provide a statement of electricity in the event of a rental only concerns leases concluded after a certain date.

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The present mission consists, according to the decree of August 10, 2015 and April 4, 2011, to establish a state of the electrical installation, in order to assess the risks that could affect the safety of persons. (Application of articles L. 134-7, R134-10 and R134-11 of the construction and housing code). In any case, it is not a question of a control of conformity of the installation vis-à-vis the regulations in force.

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Limits of the field of application

The diagnosis relates only to the entire indoor low-voltage electricity installation of residential premises located downstream of the general control and protection device of this installation. It does not concern removable equipment for use, nor the internal circuits of equipment for fixed use, intended to be connected to the fixed electrical installation, nor installations for the production of electrical energy from the generator to the point of injection into the public energy distribution network or at the connection point to the indoor installation, nor the telephone, television, computer network, video door entry system, alarm center circuits, etc., when they are supplied with power in permanent mode at a voltage less than or equal to 50 V in alternating current and 120 V in direct current.


The intervention of the diagnostic operator relates only to the visible components, which can be visited, of the installation at the time of the diagnostic. It is carried out without moving furniture or dismantling the electrical installation (apart from removing the covers of the electrical panels when possible) or destroying the insulation of the cables.


Dangerous elements of the indoor electrical installation may not be detected, in particular:


  • parts of the electrical installation that are not visible (incorporated in the shell or finishing work or hidden by furniture) or requiring dismantling or deterioration in order to be able to access them (connection boxes, conduits, plinths, trunking, door frames, elements heaters incorporated into the masonry, lighting for swimming pools in particular);

  • parts that are not visible or accessible to electrical panels after removing their cover;

  • mismatch between the rated current (rating) of the overcurrent protection devices and the cross-section of the conductors over the entire length of the circuits.

In addition to this, you need to know more about it.

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