What is the primary purpose of a lineman's belt?

The primary purpose of a lineman's belt is to secure the lineman to the pole. This is critical for safety during aerial work, as it prevents falls and ensures that the lineman remains attached to the structure while performing duties at height. The use of a properly fitted and secured lineman's belt is a fundamental safety practice, which helps minimize the risk of serious injuries that can occur from falls.

While the other choices may include functionalities of a lineman's belt, they are secondary to its primary safety purpose. For instance, holding tools can be a convenient addition but does not serve the essential goal of ensuring the lineman's safety. Similarly, visibility at night might be an important consideration for overall safety, particularly in low-light conditions, but it does not define the belt's fundamental function. Carrying personal items could also be a feature, yet it is not the core purpose of the belt in a lineman's work. Thus, the primary function of a lineman's belt is unequivocally to secure the lineman to the pole, highlighting the importance of safety in lineman operations.