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¨  Periodically                              After completion of the inspection, all defects found must be
       ¨  After each modification to components which are relevant   rectified with immediate effect. The technical documentation
         for the LEMP protection measures system    must be updated, if necessary.
       ¨  After a lightning strike to the structure, if necessary  In Germany, a comprehensive inspection of the LEMP protec-
                                                    tion measures system should be carried out at least every two
                                                    to four years as part of the inspection of the electrical instal-
                                                    lation.

































































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