∗ Power system Protection, CTs and PTs tests.∗ Power factor tester, transformer turns ratio (TTR) tester, and oil dielectric Tester. Conductor types for the overhead lines (ACSR, AAAC), surge arresters function, insulators (post and suspension), and underground cable fault distance detector.∗ Transformer components and their functions (insulators, radiators, primary& secondary, bushing. etc).∗ Familiar with substation single line diagram. Design and planning of small distribution feeders.∗ Safety consideration inside the power plant. Synchronous generator, starting motor, excitation control, fuel control system.