Which side of the pole is referred to as the concave side?

The term "concave side" of a pole refers to the face of the pole, which is typically the side that is designed to accommodate the equipment or structures that are mounted on it. In the context of utility poles, this face is often where the wires, transformers, and other attachments are installed.

Understanding the function of the face is essential because it allows for optimal positioning of the utility connections and ensures that these connections function effectively and safely. This side is typically smoother and aligned for ease of access and maintenance of the equipment.

The other sides, such as the back, base, or ground side, do not serve the same purpose and are usually not labeled as concave because they may be more structural or less utilized in operational terms. They may also be exposed to different environmental factors or potential damage, further distinguishing them from the face of the pole.