The study investigated influence of e-learning as an effective tool for mastery of electrical installation and Maintenance Practice in Ekiti state Technical Colleges. To guide the study, two research questions and two hypotheses were formulated and tested at 0.05 level of significance. A descriptive survey design was adopted for the study. Fifty (50) electrical installation and Maintenance Practice teachers formed the sample of this study. The instrument used for data collection was a self-structured questionnaire tagged E-learning for Electrical Installation Questionnaire (EEIQ). Data collected were analyzed using mean. The findings of the study include; the extents e-learning influences mastery of electrical installation technology in technical colleges, e-learning influences students’ interest in learning electrical installation and maintenance practice in technical colleges, the extent e-learning is being utilized in training electrical installation and maintenance practice students in technical colleges, and the challenges associated with the utilization of e-learning for training electrical installation and maintenance practice students in technical colleges. From the above, it was recommended that teachers and students should be sensitized through seminars and workshops on the need to maximally utilize e-learning for effective teaching and learning of electrical installation and maintenance practice in technical colleges.