Commercial electricians are specialized professionals who are responsible for installing, testing, and maintaining electrical systems in commercial buildings. They must have a high level of expertise in order to ensure the safety of the structure and the people in it. Commercial electricians must also be knowledgeable about the latest electrical technologies and be able to explain them to their clients. 

Commercial electrical services are responsible for designing, installing, testing, and maintaining electrical systems in commercial buildings. This includes wiring, electrical fixtures, switches, and outlets. They must also be able to troubleshoot and repair existing systems. In addition to installing and maintaining electrical systems, commercial electricians may also be responsible for installing other types of systems, such as fire protection systems or security systems.

Commercial electricians must possess a high level of knowledge in order to ensure the safety and proper functioning of the electrical systems in a building. They must also be able to install and configure the wiring for audio-visual systems or computer systems. They must be knowledgeable about energy efficiency and energy conservation, and in some cases may be required to provide energy audits in order to identify ways to reduce the energy consumption of a building.

In order to become a commercial electrician, individuals must complete a state-approved apprenticeship program and pass a state-administered licensing exam. Many states also require individuals to have certain certifications in order to work as a commercial electrician. Commercial electricians must also have a high level of customer service skills in order to be successful.