IEC TR 60079-12:1978 ED1

Electrical apparatus for explosive gas atmospheres - Part 12: Classification of mixtures of gases of vapours with air according to their maximum experimental safe gaps and minimum igniting currents IEC TR 60079-12:1978 ED1

Publication date:   Jan 1, 1978

Scope

Gives guidance on the selection of the appropriate group or
sub-group of electrical apparatus, protected by flameproof
enclosure or designed to be intrinsically safe, according to the
gas or vapour in which it is intended to be used.
Provides a classification of most used gases and vapours and gives
guidance on tests to classify additional gases or vapours not
listed in this publication. This publication has the status of a
technical report.