Yordanova, M. “Providing Safety at the Presence of Arc Flash Hazard Risk in the High Voltage Equipment”. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, Vol. 2, no. 2, Dec. 2018, pp. 40-45, doi:10.29114/ajtuv.vol2.iss2.90. Accessed 13 May 2025.