What is an important indicator of UV damage on a hard hat?

A chalky appearance is a significant indicator of UV damage on a hard hat because it suggests that the material of the hard hat has deteriorated due to prolonged exposure to ultraviolet light. UV rays can break down the polymer structure of the hard hat, leading to a loss of protective properties. This chalky texture often indicates that the protective layer is wearing away, which can compromise the hard hat's ability to provide safety.

In contrast, while cracks, creases, color fading, and surface discoloration may also indicate some level of wear or damage, a chalky appearance specifically points to UV degradation and signifies that the hard hat should be inspected closely or replaced to ensure adequate protection. Understanding these indicators helps linemen maintain their safety gear effectively.