From what distance must signal words be legible and readable?

The correct answer is that signal words must be legible and readable from a distance of 5 feet. This requirement is primarily grounded in safety and regulation, ensuring that individuals can easily recognize important warnings, instructions, or information signs without having to approach too closely.

Having signal words legible at this distance helps minimize risks in environments where quick comprehension of safety measures is critical, for example, in funeral homes or during transport of remains. Comprehensible signage contributes to the overall operating procedure by alerting individuals to hazards or important instructions without delay.

While other distances might seem plausible, 5 feet is established as a standard that balances visibility with the practicality of maintaining an effective alerting system in various settings.