Alberta Basic Security Training (ABST) Practice Exam 2025

How does the potential harm from working with electricity typically inflict harm?

1. By thermal energy

2. Through kinetic energy

3. With chemical exposure

4. From radiation

The correct answer is: Through kinetic energy

The correct choice regarding how potential harm from working with electricity inflicts harm is through thermal energy. When electrical current flows through a conductor, it encounters resistance, which generates heat. This heat can cause burns or ignite flammable materials, resulting in significant injuries or damage. Kinetic energy, while it can be involved in electrical accidents (for example, if a person falls due to an electric shock), is not the primary means by which electricity inflicts harm. Chemical exposure is not typically associated directly with electrical shock, although some electrical incidents may result in chemical reactions under specific conditions, such as if batteries leak. Radiation is generally irrelevant in the context of electrical hazards unless specific electrical devices are involved that emit radiation, which is uncommon. Thus, thermal energy is the most direct and relevant mechanism through which electrical hazards can lead to injury or damage.