IEC 60364-4-42 Ed. 2.0 b:2001, Electrical installations of buildings - Part 4-42: Protection for safety - Protection against thermal effects

Persons, fixed equipment, and fixed materials adjacent to electrical equipment shall be protected against harmful effects of heat developed by electrical equipment, or thermal radiation, particularly the following effects: - combustion or degradation of materials; - risk of burns; - impairment of the safe function of installed equipment.