Article 4.3.1 of the Technical Specification for Lightning Protection of Electronic Information Systems in Buildings (GB 50343-2012) stipulates that the electronic information systems in buildings can be selected to determine the level of lightning protection according to their importance, nature of use, and value in accordance with Table 4.3.1 (see question and answer sheet). The lightning protection level of electronic medical equipment in tertiary hospitals is A, so option A is wrong.
Topic solution table Lightning protection level of electronic information system of buildings