National safety technical code for electric equipments

NEPLATNÁ vydaná dňa 15.11.2009

Electrical apparatus for explosive gas atmospheres Electrical resistance trace heating—Part 1:General and testing requirements

NEPLATNÁ vydaná dňa 14.5.2004

Explosive atmospheres—Electrical resistance traces heating—Part 1:General and testing requirements

NEPLATNÁ vydaná dňa 31.7.2017

Electrical apparatus for explosive gas atmospheres—Electrical resistance trace heating—Part 2:Application guide for design, installation and maintenance

NEPLATNÁ vydaná dňa 14.5.2004

Explosive atmospheres—Electrical resistance traces heating—Part 2: Application guide for design,installation and maintenance

NEPLATNÁ vydaná dňa 29.12.2017

Composite insulators for a.c. overhead lines with a nominal voltage greater than 1000V—Definitions, test methods and acceptance criteria

NEPLATNÁ vydaná dňa 14.5.2004

Low pressure bronze male screw-thread check valve for marine use

NEPLATNÁ vydaná dňa 15.5.1980

Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6 mm(19 in)series—Part 1:Panels and racks

NEPLATNÁ vydaná dňa 23.1.2007

Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-105:Subracks and associated plug-in units—Alignment and/or earth pin

NEPLATNÁ vydaná dňa 14.5.2004

Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6mm(19in)series—Part 5-107:Subracks and associated plug-in units—Rear mounted plug-in units

NEPLATNÁ vydaná dňa 14.5.2004