Electricians work in a wide variety of buildings and facilities – on everything from lighting and climate control systems, to communication equipment and thousands of other specific tools and devices. An Electrician's work involves assembling, installing, commissioning, testing, maintaining, servicing and operating electrical systems and equipment.

Construction electricians work either as employees who are part of a contractor's team, on both residential and commercial projects, or as independent electrical contractors on such projects.

Technicians work in various buildings and facilities, handling tasks ranging from installing and maintaining fire alarm systems to ensuring communication equipment and other related devices function properly. Their responsibilities include assembling, installing, commissioning, testing, maintaining, servicing, and operating fire alarm systems and equipment.

An apprentice electrician is an entry-level electrical trainee enrolled in an apprenticeship program to learn the concepts and skills necessary to become a certified electrician. As an apprentice, an electrician will receive a combination of classroom education and paid on-the-job experience.