TR 2018/024/BY sets safety requirements for telecommunications equipment in Belarus. Certified equipment must be accompanied by proper operating documents and marked for. There are two types of conformity assessment: the certification and the declaration. There are four different schemes of certification: The declaration is required for products named in the list of appendix 2, for example: For the declaration. On August 14, 2023 the Council of Ministers of the Republic of Belarus approved the changes to the Technical Regulations of the Republic of Belarus TR 2018/024/BY "Telecommunication Facilities. • The National Electrical Safety Code (NESC), published by the Institute of Electrical and Electronics Engineers (IEEE), specifies safe practices for installing, operating, and maintaining electric supply. "BELST is the republican authority for technical regulation, standardization, metrology and conformity assessment, energy efficiency, control and supervision in construction, supervision of rational use of fuel, electric and heat energy. It carries out its activities directly and through its lower. This set of standards, also known as FOCIS (Fiber Optic Test Procedures), provides guidelines on how to test fiber optic systems for loss, reflectance, and other performance metrics.