What is typically mounted in a cabinet designed for electrical equipment?

A cabinet designed for electrical equipment often contains overcurrent protection devices, which are crucial components in electrical systems. Overcurrent protection devices, such as circuit breakers or fuses, are installed to prevent excessive current that can cause overheating and potential electrical fires. These devices automatically disconnect the circuit when the current exceeds a predetermined level, safeguarding both the wiring and connected equipment.

The inclusion of overcurrent protection devices in such cabinets is a standard practice in electrical design, ensuring compliance with safety codes and helping to maintain the overall integrity of the electrical system. This setup allows for the safe distribution of electricity throughout a facility while minimizing risks associated with electrical faults.

In contrast, other options focus on more limited functions or components. For instance, service disconnects are essential but do not encompass the full range of equipment typically found in these cabinets. Similarly, limiting the contents to only light fixtures or the main electrical feed does not reflect the comprehensive nature of what is housed within electrical cabinets, which are primarily designed to accommodate multiple types of protective devices and switches.