專家解讀視頻
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.
NBN EN 50033:1993 - Identical
I.S. EN 50033:1992 - Identical
BS EN 50033:1991 - Identical
EN 50033:1991 - Identical
SS EN 50033 Ed. 1 (1992) - Identical
UNE EN 50033:1994 - Identical
SN EN 50033:1991 - Identical
NEN EN 50033:1994 - Identical
