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NCh Elec 4 / 2003
FACILITIES CONSUMPTION IN LOW VOLTAGE
1 .- 1.1 .-
OBJECTIVE This Standard is to set the minimum security conditions should electrical installations comply consumption in order to safeguard the persons who operate or make use of them and preserve the environment in which they were built.
1.2 .- This Standard contains essentially safety requirements. Compliance, with proper maintenance, ensures an essentially free of risk, but does not necessarily guarantee efficiency, good service, flexibility and ease of expansion of facilities, these conditions inherent in a thorough study of each process or environment individual and a suitable project.
1.3 .- The provisions of this Standard are intended to be applied and interpreted by professionals, this text should not be construed as an instruction manual or training.
2 .- 2.1 .-
SCOPE The provisions of this standard apply to the design, implementation and maintenance of power plants whose consumption is less than 1000 V.
2.2 .- In view of its characteristics, both technical and administrative, consumer electrical installations on public roads under concession facilities are classified as consumption and are therefore within the scope of application of the provisions of this rule.
2.3 .- In general, the provisions of this rule does not apply to electrical installations in vehicles, whether land, sea or air facilities in underground mining operations, rail haulage facilities, or communications facilities, signage and measurement, which projects implemented and maintained according to specific rules for each case.
2.4 .- This Statement amends and replaces the standard final form NCh Elec 4 / 84.
2.5 .- In accordance with the provisions of Law No. 18,410, any doubt as to the interpretation of the provisions of this standard will be determined by the Superintendence of Electricity and Fuels, hereinafter SEC
2.6 .- The provisions this Statement will have the qualities of requirements and recommendations, the requirements be characterized by the use of the terms "should", "should" and their compliance will be mandatory, while the recommendations will be used the terms "recommended", "may" or "can" and its implementation will be optional, although in the spirit of the Standard, it is considered that the suggested is the best option.
are included in this version Explanatory Notes, identified in the text by the abbreviation NA highlighted and written in italics. These notes are not part of the provisions of the Standard and its purpose is solely to allow a better understanding and application of the latter. 3 .- REFERENCES
3.1 .- This Standard contains references to the following standards:
• Elec NCh 2 / 84 Processing and presentation of projects
• NSEG 5 in 71 facilities strong currents
• 6 in 71 Cruces NSEG power lines and parallels
• NSEG 8 in 71 normal voltages
• NSEG 20 in 78 indoor substations
• IEC 529 Degrees of protection provided by the case or housings 815 NCh Of/95
• PVC pipes - Test methods
• 2015 NCh Of/86 hoses retardant plastic material for electrical circuits - Specifications NFPA70
• National Electrical Code - USA • NF F 16-101
Behaviour to fire action - Material selection - France
• NF F 16-102 Behaviour to fire action - selection of materials. Application to electrical equipment - France
4 .- TERMINOLOGY
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