Which of the following statements about heat sensor labels is MOST accurate?
A) Heat sensors are required on all wood ladders.
B) Heat sensors are preset to change color at 300° F (149° C).
C) Heat sensors are required only on the bed section of extension ladders.
D) Heat sensors are placed near the second rung from the base of the ladder.

Question

Quizplus · Accepted Answer

Heat sensors on ladders, such as those used by firefighters, are designed to change color at specific temperatures to indicate exposure to heat. The preset temperature for this color change is often around 300° F (149° C), providing a visual indication of potential damage or weakening of the ladder due to heat exposure.

Which of the Following Statements About Heat Sensor Labels Is