How often should escalator safety devices be inspected?

The correct answer is inspected monthly because escalator safety devices are critical components that ensure the safe operation of the escalator. Regular inspections are essential to identify any wear and tear, malfunctions, or potential safety hazards that could pose risks to users. Monthly inspections allow for timely detection of issues before they escalate into more significant problems, potentially leading to accidents or service interruptions.

In contrast, annual inspections may not be frequent enough to catch developing issues in a timely manner, while daily inspections, although very thorough, can be impractical and might not significantly contribute to overall safety improvements. Weekly checks could provide a good balance of frequency and practicality, but monthly inspections strike the right compromise between ensuring safety and managing operational efficiency. Regular and systematic checks help maintain the safety and reliability of escalator systems.