Is it true that the maximum extended length of an extension ladder is the same as its size?

The maximum extended length of an extension ladder is not the same as its size. The size of an extension ladder typically refers to its height in the closed position, which is the length when it is fully retracted. When you extend the ladder, it can reach a greater height than its stated size.

Extension ladders are designed with sections that can slide and lock into place, allowing for variable lengths to meet different needs. This functionality means that the maximum height achievable by an extension ladder can exceed its size when it is not extended. Understanding the relationship between ladder size and its maximum extended length is crucial for safe usage, as it ensures the ladder is extended adequately for the task at hand without compromising safety.

The other options present varying scenarios that do not universally apply to all extension ladders, emphasizing the unique design and functionality that allow for different heights beyond their closed or 'size' measurements.