Definition and reference standards: Difference between revisions
From Electrical Installation Guide
(presentation improvement) |
m (r2.7.2) (robot Adding: ru:Определения и стандарты) |
||
| Line 15: | Line 15: | ||
Consequently, environmental conditions influence the definition and choice of appropriate installation equipment and the choice of protective measures for the safety of persons.<br>The environmental conditions are referred to collectively as “external influences”.<br>Many national standards concerned with external influences include a classification scheme which is based on, or which closely resembles, that of international standard IEC 60364-5-51.<br><br> | Consequently, environmental conditions influence the definition and choice of appropriate installation equipment and the choice of protective measures for the safety of persons.<br>The environmental conditions are referred to collectively as “external influences”.<br>Many national standards concerned with external influences include a classification scheme which is based on, or which closely resembles, that of international standard IEC 60364-5-51.<br><br> | ||
[[ru:Определения и стандарты]] | |||
Revision as of 14:40, 14 September 2012
External influences shall be taken into account when choosing:
|
Every electrical installation occupies an environment that presents a variable degree of risk:
- For people
- For the equipment constituting the installation
Consequently, environmental conditions influence the definition and choice of appropriate installation equipment and the choice of protective measures for the safety of persons.
The environmental conditions are referred to collectively as “external influences”.
Many national standards concerned with external influences include a classification scheme which is based on, or which closely resembles, that of international standard IEC 60364-5-51.
