Low-voltage electrical installations - Part 4-42: Protection for safety - Protection against thermal effects
Note: a more recent version of this publication exists
IEC 60364-4-42:2010+AMD1:2014 CSV
- thermal effects, combustion or degradation of materials, and risk of burns caused by electrical equipment,
- flames in case of a fire hazard being propagated from electrical installations to other fire compartments segregated by barriers which are in the vicinity, and
- the impairment of the safe functioning of electrical equipment including safety services.
This third edition cancels and replaces the second edition, published in 2001, and constitutes a technical revision. The main changes with respect to the previous edition are listed below:
- The scope now includes protection against all thermal effects and flames in case of a fire hazard being propagated from electrical installations to other fire compartments segregated by barriers which are in the vicinity.
- Requirements associated with escape routes for evacuation in an emergency have been expanded/modified.
- Requirements associated with the nature of processed or stored materials have been expanded/modified.
- Requirements associated with combustible constructional materials have been expanded/modified.
- Requirements associated with fire propagating structures have been modified slightly.
- New requirements for the selection and erection of installations in locations which might endanger precious goods have been added.
- Protection against overheating now includes space heating appliances.
|Publication type||International Standard|
|Available language(s)||English/French, Spanish|
|TC/SC||TC 64 - Electrical installations and protection against electric shockrss|
|ICS||29.120.50 - Fuses and other overcurrent protection devices|
91.140.50 - Electricity supply systems
|File size||1095 KB|
The following test report forms are related:
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