Electricity generating, converting, transmitting and consuming equipment and electrical power networksElectricity generating, converting, transmitting and consuming equipment and electrical power networks:


• generating equipment connected to the national grid electricity grid regardless of the voltage rating of the network
• equipment and installations with a voltage of up to 1 kV
• networks, equipment and installations with a voltage rating of more than 1 kV
• generator sets with a power of more than 50kW
• electrothermal equipment
• electrolysis equipment
• electric street lighting systems
• electric overhead line
• explosion-proof electrical equipment
• control and measurement apparatus as well as equipment and installations automatic regulation, control and protection of equipment and installations listed in items 1-9.

GROUP 2:

• Steam and water boilers for solid, liquid and gaseous fuels, with a power of more than 50 kW, together with auxiliary equipment
• Thermal networks and installations together with auxiliary equipment with heat transfer of more than 50kW
• Steam and water turbines with a power of more than 50 kW, together with auxiliary equipment
• Industrial steam and hot water consumer equipment above 50 kW
• ventilation, air conditioning and refrigeration equipment, with a power of more than 50 kW
• pumps, squeegees, fans and blowers of more than 50 kW each
• Compressors with a power of more than 20 kW and compressed air systems air and technical gases
• Fuel storage, storage and unloading facilities, With a storage capacity equivalent to more than 100 Mg
• industrial furnaces with a power of more than 50 kW
• control and measurement apparatus and automatic control equipment control equipment and installations listed in points. 1- 9

GROUP 3:

• equipment for the production of gaseous fuels, gas generators
• equipment for processing and treatment of gaseous fuels, gaseous fuel decomposition plants, natural gas processing facilities, gas treatment plants , expansion and bottling plants for liquid gas, denitrification, mixing plants
• gas fuel storage facilities
• Gas transmission networks with a pressure higher than 0.5 MPa (gas pipelines, gas stations, gas compressor stations)
• Distribution gas networks with pressure above 0.5 MPa (gas pipelines, gas stations, gas comapressor stations)
• appliances, installations and gas appliances with a pressure of not more than 5 kPa
• appliances, installations and gas appliances with a pressure of more than 5 kPa
• industrial consumers of gaseous fuels with a power of more than 50 kW
• gas turbines
• Control and measurement apparatus, control equipment for the network, equipment and installations listed in points 1-9. )