What is a grounding mat?

A grounding mat is designed specifically to provide protection from touch voltage, which occurs when a person comes into contact with an energized surface. This mat helps to dissipate electrical charges safely into the ground, reducing the risk of electric shock. By distributing potential differences evenly across the surface, grounding mats create a safer environment for personnel working near electrical equipment.

While the other choices may seem relevant within the context of electrical systems, they do not accurately describe the function of a grounding mat. For instance, a grounding mat is not primarily meant for covering underground cables or serving as a bonding material for conductive surfaces. Moreover, it does not act as insulation; instead, its purpose is to connect exposed conductive materials to ground to mitigate the hazards associated with electrical faults. Thus, understanding the specific role that a grounding mat plays in grounding and bonding strategies is crucial for ensuring safety in electrical work.