Ndungu, C., J. Nderitu, L. Ngoo, and P. Hinga. “Effects of Harmonic Distortions Emanating from Domestic Loads on Low Voltage Installations Low Voltage Switchgears: Case Study”. Africa Journal of Technical and Vocational Education and Training, Vol. 3, no. 1, June 2018, pp. 214-22, https://afritvetjournal.org/index.php/Afritvet/article/view/74.