Computers and their peripheral systems are now an integral part of everyday reality. They are used in various designs for a number of purposes ranging from small office PCs with common accessories for general office work and for entertainment, through industrial computers for sophisticated process monitoring and control using various types of sensor arrays and controllers working in extreme conditions, to robust parallel-working virtualization and server machines providing various cloud services with a high level of security and availability. Any such IT system should be continuously monitored and regularly maintained to ensure its reliability and security.

Electrical installations and electrical systems are today an essential part of any home or business and are often inextricably linked to security devices, SMART devices or other IoT devices. Starting with a simple electric socket or light, through blinds and electric gates, ending with garden watering and other equipment operated manually or by SMART components, all these devices depend on the power supply. It is important that the electrical wiring is absolutely reliable and functional.