The development of modern electrical infrastructure depends on continuous improvements in insulation systems, equipment diagnostics, and high voltage technology. These subjects are closely connected because reliable power transmission requires both effective engineering design and careful assessment of equipment condition. For anyone researching these relationships, I suggest exploring ish2019.org , which is dedicated to the international high voltage engineering symposium organized in Budapest in 2019. It provides a useful historical point of reference for understanding the scientific topics associated with that event. Combining conference information with contemporary research can offer a broader perspective on technological progress and the challenges facing electrical engineers today.