The electrical system is between 3 and 6% of the budget in the construction of a house.
Understanding electricity
The electric current corresponds to the movement of electrons in a conductor. We distinguish the current (measured in amps), voltage (measured in volts), power (in Watts). To facilitate the representation of an electrical circuit, we use diagrams and symbols.
Electrical installation must include several elements such as the counter, the table, the circuit breaker. May also be present a shedder or contactor. Security features are general and GFCI breakers and/or fuses. They can automatically cut power in case of anomaly.
Electrical circuit
Housing generally includes several electrical circuits with conventional assemblies (circuit for power sockets, single ignition, etc.). The electrical wiring is carried out with the wire of different sections.
For those who want to engage in the work, the electric octopus is an interesting alternative to 100% home and 100% electrician. It should also install the ducts, which will isolate the conductors wires from any risk of contact. The most visible element of the installation, electrical outlets must comply with certain rules regarding their number and location.
Switch
The controls of an electrical installation, in particular lighting, pass through a switch. This can be conventional, or - for comfort - consist of a system back-and-forth or remote switch. Timer or electronic controller allow to simplify life.
Standards of electrical installation
In order to improve the safety and electrical comfort, electrical standards are regularly reviewed. This is the standard NF C 15-100, which refers. To be connected to the grid, a new or renovated home must be an electrical certification, awarded by the electrical safety organism. In the former, to resale, electrical diagnosis is mandatory as part of the technical diagnostic file.
Electrical Safety
Invisible and odorless, electricity is not less dangerous. Many homes have electrical hazards. There are devices to address the most serious hazards such as short circuits or lightning (lightning, lightning protection). The physiological effects of the current on the human body, the electrification may be particularly destructive. The material can also be degraded. Also, to avoid shock, indices of electrical protection allow to know the degree of the equipment protection against the introduction of solid or liquid body, as well as against mechanical shock, or in contact with a natural person.
Electrical comfort
In housing, the lighting is always electric. One can also opt for electric heaters, of which there are different types with different performance and for an electric water heater. Choose energy-efficient devices (energy classes A, A+ or A++) allows for savings, as investing in a timer associated with a full subscription hours/off-peak hours.
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