IBEW Electrical Practice Test 2025 – Complete Exam Preparation

The role of a substation technician is focused on the maintenance of power distribution equipment. This includes a variety of tasks such as inspecting, repairing, and maintaining transformers, circuit breakers, and other equipment that ensures the efficient and safe distribution of electricity from substations to consumers. Substation technicians play a crucial role in the electrical grid, ensuring that power is distributed reliably and that any issues are promptly addressed to minimize service interruptions.

In the context of the other choices, building residential buildings, managing financial institutions, and installing network systems do not pertain to the responsibilities of a substation technician. Each of these roles is specialized in its own field—construction, finance, and information technology—rather than focusing on the electrical systems that are critical for power transmission and distribution.