Explosive atmospheres - Equipment protection by powder filling "q" not-eligible BS EN 50423-1:2005 does not

BS EN 50423-1:2005 does not apply to:

DD 243 also includes recommendations intended to minimize the likelihood of false alarms

or to films that have been processed by a monobath using means other than a thiosulfate-type fixing solution

BS EN 148-1:2018 supersedes EN 148-1:1999

It has been prepared in accordance with the change to the metric system in the construction industry

Explosive atmospheres - Equipment protection by powder filling "q" not-eligible BS EN 50423-1:2005 does notBS EN 60079 5 contains specific requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Ex components in the type of protection powder filling q, intended for use in explosive gas atmospheres. BS EN 60079 5 applies to electrical equipment, parts of electrical equipment and Ex components with: a rated supply current less than or equal to 16 A a rated supply voltage less than or equal to 1 000 V