Which statement is true regarding electrical arcing?

The statement indicating that objects do not have to contact the electricity source to create an arc is accurate because arcing can occur through the air or across a gap when a sufficient voltage is present. This phenomenon is characterized by the ionization of air or another medium, which allows electricity to leap from one conductor to another without direct contact. As electrical energy builds up, it can overcome the insulation or dielectric strength of the surrounding medium, resulting in a high-temperature electrical discharge known as an arc.

This understanding is crucial for safety in environments where high voltages are present, as it highlights the potential hazards of electrical arcing even in situations where physical contact with conductive materials is not established. Other options misrepresent the fundamental nature of arcing, emphasizing either a misunderstanding of the conditions under which arcing occurs or underestimating the dangers associated with it.