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Article History

Received: 21 August 2019

Accepted: 26 December 2019

First Online: 7 January 2020

Ethics approval and consent to participate

: Ethical approval of the study was obtained from Bahir Dar University, Faculty of Electrical and Computer Engineering of Electrical power ethical review committee. The ethical letter was submitted to Bahir Dar, Ethiopia electric power Utility (Main office) and permission was obtained to conduct the study. To ensure confidentiality of employee’s information was kept and was not exposed to third body. Verbal consent was taken and it was approved by ethical review committee.

: Not applicable.

: The authors declare that they have no competing interests.