Within the scope of the Kayaş-Yerköy High-Speed Train Project, undertaken by Doğuş İnşaat for TCDD (Turkish State Railways), the electrical installations at the construction sites in Kırıkkale, Elmadağ, and Büyükyağlı have been comprehensively inspected. In accordance with IEC 60364-6 and IEC 62305 standards, the electrical installations, grounding systems, and lightning protection systems were audited, and the findings were presented to the institution in a detailed report.