Aluminium Wiring  

Was your home built between the mid 1960s and late 1970s? If so, it may have aluminum wiring.

Aluminum wiring isn’t a hazard in itself, but when receptacles, conductors, switches, etc. not intended for use with aluminum wiring are installed, the threat of a hazard is possible. Why? Aluminum has a much higher rate of thermal expansion than the connection on the switch or receptacle, which makes it possible for it to expand and deform. This can lead to a loose connection and, under the right electrical load conditions, could cause sparking, overheating, or even a fire.

Aluminum wiring should be evaluated by a qualified electrician who is experienced in evaluating and correcting aluminum wiring problems. Not all licensed electricians are properly trained to deal with defective aluminum wiring.

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Hydro Québec  Low-Voltage Electrical Service

Standard E.21-10

Standard E.21-10 (this document) covers low-voltage electricity supply and
is based on the document above and on the Hydro-Québec Distribution
standards in effect.
It takes into account the conditions of application stipulated in the Québec
Construction Code, Chapter V – Electricity (C22.10, latest edition), hereinafter
the “Code”.
The following three standards are also based on the above documents:
E.21-11, Service d’électricité en basse tension à partir des postes
distributeurs (low-voltage electrical service from distribution
substations) – in French only;
E.21-12, Service d’électricité en moyenne tension (medium-voltage
electricity service) – in French only;
F.22-01, Electricity Metering for Medium- and High-Voltage

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How to inspect electrical panels 

Only certain individuals, such as a homeowner or a licensed electrical contractor are legally allowed to do electrical work in a home that falls within the scope of the Quebec Electrical Safety Code


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CMEQ | Corporation des Maîtres Électriciens du Québec

The Corporation des maîtres électriciens du Québec (CMEQ) issues a specialized contractor’s license for construction work, subclass 16, mandatory to execute electrical work in the province of Québec. Master electricians in Québec are required to be members of the Corporation.

CMEQ’s mission is to protect the public by verifying and controlling the qualifications of all its members, and thereby ensuring their probity and competence. It sets regulations and standards governing the professional practice of electrical contractors.

CMEQ also offers its members services to help them carry out their work.

CMEQ is managed by a provincial council and administered by an executive committee. Each of the Corporation’s 17 regional chapters elects a board of directors.



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A GFI, or GFCI – Ground Fault Circuit Interupter device protects us from receiving electric shocks from faults in the electrical devices we use in our home. It works by comparing the input current on the hot side to the output current on the neutral side. If there’s the slightest difference in current, on the order of a few milliamps, then there is current leaking out somewhere, possibly through somebody’s body. To protect us in this situation, the device very quickly cuts off the power supply to the leaking device, within 20-30 milliseconds, greatly reducing any possible human tissue damage from errant current.

GFCI proctection should be provided anywhere there is a receptacle installed in an area subject to moisture, as the presence of moisture greatly increases the danger of accidental shock.


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House Renovation

Contact us to supervise the renovation and construction work to be sure that all works is done according to the highest quality standards.

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