On which factor primarily does the take-up measurement depend?

The take-up measurement is fundamentally influenced by the size of the bender because this dimension determines how much of the conduit will be displaced or "taken up" during the bending process. The bender's size defines the pivot point and the length of the lever arm involved when bending conduit, which directly affects the final length of the conduit run after the bend is completed.

When bending a conduit, it is essential to account for the additional length created by the bend itself, known as the take-up measurement. A larger bender may create a larger arc, potentially leading to a greater amount of material needed to accommodate the bend, while a smaller bender may create a tighter bend requiring less additional length. Thus, understanding the size of the bender is crucial in accurately calculating the necessary take-up for a specific project.

The other factors, such as the type of conduit material, the bend radius, and ambient temperature, can affect bending in various ways, but they do not primarily dictate take-up measurement as the size of the bender does.