Paragraph 3
Protection against hazards which may be caused by external influences on the electrical equipment
(a)
The electrical equipment must meet the expected mechanical requirements in such a way that persons, domestic animals and property are not endangered.
(b)
The electrical equipment must be resistant to non-mechanical influences in expected environmental conditions, in such a way that persons, domestic animals and property are not endangered.
(c)
In foreseeable conditions of overload the electrical equipment must not endanger persons, domestic animals and property.