Which of the following is not an electrical component used in systems?

The accounting staff is not considered an electrical component used in systems. Electrical components are physical items that play a direct role in the generation, distribution, or utilization of electrical energy. These include components such as distribution systems, which help manage and deliver electricity throughout a location, receptacles that provide power access to devices, and generators that convert different forms of energy into electrical energy.

In contrast, accounting staff pertains to the administrative and financial side of construction projects, handling budgets, expenses, and financial tracking. Their functions are crucial for the proper management of resources, but they do not have a direct role in the electrical systems themselves. This distinction is key in understanding the roles of various entities and components in a construction project.