Which factor does NOT affect the human body's resistance to electricity?

The presence of protective gear does not affect the human body's inherent resistance to electricity. Body resistance is a physiological characteristic that is determined by factors such as skin condition, moisture levels, and overall health. Protective gear such as rubber gloves or insulating mats serves to increase the electrical resistance against the flow of current and thereby reduces risk in the event of contact with electrical sources. However, it does not change the body's natural resistance.

In contrast, the length of time in contact, the area of contact, and the health of the person are directly related to how electricity can affect a person. For example, longer contact times generally result in greater risk of injury, as does having a larger area of contact with the electrical source, since more current can flow through the body. Additionally, a person's health can influence their resistance levels, as various medical conditions or injuries can alter the body's ability to resist electric current.