When using a conduit bender, the measurement for take-up is most closely related to which factor?

The measurement for take-up when using a conduit bender is primarily related to the bend angle. Take-up refers to the amount of conduit that is "consumed" or shortened when a bend is made in it. As the angle of the bend increases, the amount of material used in that bend and therefore the take-up also increases.

An understanding of bend angle is crucial because it directly affects how the conduit should be measured before bending. For example, a 90-degree bend will have a different take-up measurement than a 45-degree bend due to the differences in the curvature and length of the conduit used in the bend. Consequently, knowing the bend angle helps in calculating how much conduit is required for a specific run while ensuring that the final installed length meets the electrical and spatial requirements of the project.

While factors like conduit diameter, overall conduit length, and bend radius do influence the bending process, they do not directly factor into the calculation of take-up as closely as the bend angle does. The bend radius is more associated with the curvature and smoothness of the bend rather than the amount of conduit taken up during the bending process.