As an electrical installer, your responsibilities include reading electrical schematics to complete electrical updates and wiring changes to both residential and commercial systems. You assemble, install, and wire circuit breakers and electrical panels and inspect the wiring, crimping, and installation of electrical connections based on quality guidelines. In some jobs, you may assist a team in installing HVAC systems, ignition systems, lighting, and generators, perform residential Main Panel Upgrades (MPU) as needed, and troubleshoot and repair various electrical components. Other duties include self-inspecting your work and attending training sessions to learn new products and installation methods.