NEN EN 50033:1994现行

Describes specific requirements related to risk of gas explosion for construction and testing caplights for use in mines susceptible to firedamp (electrical apparatus for potentially explosive atmospheres of group I). These requirements are supplemented by the following requirements for caplights for mines susceptible to firedamp: -6.3 "Electrostatic charges of enclosures of plastics material" and 7.1 (permitted light alloys for enclosures) of EN 50014; -3.2 "internal connections, 3.5 'solid insulating materials' and 3.8 'Internal wiring' of EN 50019.

SN EN 50033:1991 - Identical

NF EN 50033:1993 - Identical

UNE EN 50033:1994 - Identical

SS EN 50033 Ed. 1 (1992) - Identical

NBN EN 50033:1993 - Identical

I.S. EN 50033:1992 - Identical

EN 50033:1991 - Identical

BS EN 50033:1991 - Identical