A groundman can encounter a touch potential hazard by doing what?

A groundman can encounter a touch potential hazard primarily by standing on remote earth while touching a conductive item. This situation creates a difference in voltage between the ground man and the earth that he is standing on. When touching the conductive item, which could be energized due to faults or other situations, a path for current can be established through the body of the groundman.

In this scenario, the ground potential can be different than that of the conductive item, leading to a potentially dangerous situation. The difference in voltage can cause electric current to flow through the body, presenting a serious risk of electric shock or injury.

The other choices involve strategies that would typically reduce risks associated with electrical hazards. For instance, staying away from conductive items, wearing insulating gear, and maintaining a safe distance from high voltages are all prudent practices that help mitigate electrical hazards. However, these practices do not specifically illustrate how touch potential is encountered, as the touch potential hazard is distinctly highlighted in the scenario of standing on remote earth while maintaining contact with an energized conductive item.