Add to ORKGBachelor thesis deals with the theoretical part of the general problem of system wiring. The introductory part includes a general introduction. Gradually are described differences from classical wiring, to compare the advantages, disadvantages and cost. Shortly is described historical development from the first attempts to currently solution used by manufacturers. Subsequently used systems are divided into several groups and described. In the next chapter is performed research most famous electrical system from different manufacturers. In thesis there are described systems iNELS and Ego-n in detail. For each system are described basic functions, linking structure, used bus, the method of programming, a summary of advantages and disadvantage...