What term describes the arrangement of devices that restrict access or movement in a confined space?

The term that accurately describes the arrangement of devices that restrict access or movement in a confined space is known as "Internal Configuration." This term encompasses the set-up of barriers, equipment, or design features within a confined space that serves to control access, ensuring safety for personnel who may enter or work within that space. Proper internal configuration is essential for minimizing risks associated with hazardous environments, making it clear that the arrangement of devices is intentional and critical for maintaining safety protocols.

In this context, understanding how internal configuration impacts safety and accessibility in confined spaces is vital for effective rescue operations and overall risk management. It helps teams identify the necessary precautions and methods for navigating through these environments, ultimately facilitating better rescue practices and efficiency. The other options, while they might relate to confined spaces in certain aspects, do not specifically focus on the internal arrangement that restricts movement.