Swimming pools. Drowing warning system. General specifications

NEPLATNÁ vydána dne 1.5.2021

Upper limb prostheses with external power source. General technical requirements

NEPLATNÁ vydána dne 1.6.2021

Orthoses of lower-limb with external power source. General technical requirements

NEPLATNÁ vydána dne 1.6.2021

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Device for unloading automation during short circuits. Short circuit severity fixation device. Norms and requirements

NEPLATNÁ vydána dne 1.1.2021

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic unloading devices in case of power overload. Norms and requirements

NEPLATNÁ vydána dne 1.1.2021

Hard coals. Method for the determination of the yield of chemical coking products

NEPLATNÁ vydána dne 1.4.2021

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic overfrequency protection devices. Norms and requirements

NEPLATNÁ vydána dne 1.4.2021

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic overload limiting unit. Norms and requirements

NEPLATNÁ vydána dne 1.4.2021

Installation cables for use in electrical installations in hazardous area, including underground mines. General specifications

NEPLATNÁ vydána dne 1.6.2021

Imperfections in thermoplastics welded joints. Quality levels

NEPLATNÁ vydána dne 1.9.2021