Be it fire protection, burglary protection or emergency and escape route lighting: Electrical safety systems are only safe if they do not fail during thunderstorms which are most common in the summer months. If lightning strikes and surges destroy safety systems and safety-related functions are thus no longer available, human life is at risk. Surges may lead to false alarms and high follow-up costs. Therefore it is vital to integrate safety systems in a lightning and surge protection concept. To this end, manufacturers, consultants, and installers must comply with legal and normative requirements.