Select one of the main components checked during the inspection phase of aerial devices.

During the inspection phase of aerial devices, the presence and security of safety equipment is a critical component to check. This is essential because safety equipment, such as harnesses, safety lines, and other protective gear, plays a vital role in ensuring the safety of firefighters when operating aerial apparatus. If this equipment is missing, damaged, or improperly secured, it can lead to serious accidents or injuries during operations. Regular inspection ensures that all safety measures are in place and functioning properly, which is crucial for the effectiveness and safety of firefighting operations.

While other components, such as cable tension on aerial cables, are also important, the presence and condition of safety equipment directly impacts personnel safety, making it a primary focus during inspections.