Art. 3.1 Concepts
In this chapter the following terms shall have
the following meanings:
- electrical installation: a combination of electrical
material, lines and accessories of lines;
- electrical material: components or parts of an electrical
installation intended for the generation, the transport and
the application of electrical energy;
- explosive atmosphere: a mixture of air and combustible
substances in the form of gases, vapours, sprays or dust,
under atmospheric conditions in which the combustion
increases after the ignition to the entire non-combusted
mixture;
- use of electricity: any activity as regards an electrical
installation, in any case including the construction,
placing into service or placing out of service, operation,
repair, rebuilding, maintenance and inspection as well as
working in the vicinity of an electrical installation;
- high voltage: a voltage of which the value in case of
alternating voltage is higher than 1000 Volt effective
between the phases or 600 Volt effective between a phase and
earth and in case of direct voltage is higher than 1500 Volt
between the poles or 900 Volt between one of the poles and
earth;
- low voltage: a voltage with a value lower than high
voltage.
Art. 3.1a Applicability
The Articles 3.3, first paragraph,
3.4, first paragraph, as regards the design and the layout of
electrical installations belonging to a building as referred to
in Article 1, first paragraph, under c, of the Housing Act, 3.6,
second paragraph, 3.7, fifth paragraph, 3.11, first paragraph,
as regards the requirement that floors of workplaces must be as
much as possible free from dangerous heels and, furthermore, as
much as possible fixed and stable, and third paragraph, 3.18,
second paragraph, second sentence, and third paragraph, and
3.24, first paragraph, and second paragraph, first sentence, are
not applicable to workplaces in a building as referred to in
Article 1, first paragraph, under c, of the Housing Act.