**7.1 The application startup**

The user interface that opens as a result of startup operations identifies two types of overhead electric lines, of 20 kV and 110 kV, and allows choosing the overhead electric line that will be examined by pressing the corresponding button, as in Figure 14 (Dulau et al., 2010).

Fig. 14. User interface

Reliability Centered Maintenance Optimization of Electric Distribution Systems 109

Fig. 17. RCM interface

Fig. 18. Interface of the time histograms

Fig. 19. Interface distribution of the operation times and repair times

Fig. 20. Interface for the reliability and nonreliability functions
