How can wearing shoes with insulating soles help prevent electrical shock?

• A. It reduces the risk by warming the feet.
• B. It reduces the risk by increasing skin resistance.
• C. It has no effect on electrical safety.
• D. It eliminates the hand-to-foot current path.

Answer: (D)

Wearing shoes with insulating soles helps prevent electric shock by interrupting the current path through the body. An electric shock requires a complete circuit from a live source, through your body, to a return point such as the ground. The insulating soles create a barrier between your feet and the ground, dramatically increasing the resistance of the feet-to-ground portion of the path. With higher resistance, Far the same voltage, much less current can flow through your body (I = V/R), so the hand-to-foot path is greatly reduced or effectively eliminated in many situations.

Keep in mind, insulation isn’t foolproof—a damaged shoe, wet conditions, or other return paths can still pose a risk. The main idea is that insulating soles raise the impedance at the feet, making it harder for current to travel from hand to foot.