Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). General recommendations.

NEPLATNÁ vydána dne 30.6.1989

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Classification of hazardous areas.

NEPLATNÁ vydána dne 29.4.1983

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus with type of protection ´d´. Flameproof enclosure.

NEPLATNÁ vydána dne 28.9.1979

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus with type of protection ´i´. Intrinsically safe electrical apparatus and systems.

NEPLATNÁ vydána dne 30.12.1977

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus protected by pressurization ´p´ and by continuous dilution, and for pressurized rooms.

NEPLATNÁ vydána dne 31.10.1983

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Recommendations for type of protection ´e´. Increased safety.

NEPLATNÁ vydána dne 31.3.1978

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus with type of protection N.

NEPLATNÁ vydána dne 30.11.1979

Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture). Installation and maintenance requirements for electrical apparatus with type of protection ´s´. Special protection.

NEPLATNÁ vydána dne 29.2.1980

Specification. ISO metric trapezoidal screw threads.

NEPLATNÁ vydána dne 28.5.1976

Methods for sampling meat and meat products.. Taking primary samples.

NEPLATNÁ vydána dne 30.4.1976