Final answer:
Personal protective equipment for electrical workers, including footwear, is designed to provide insulation and protection from electrical currents. Approved footwear for electrical work will have insulation to prevent electric shock.
Step-by-step explanation:
The personal protective equipment (PPE) for electrical workers is designed to provide protection under certain circumstances and conditions. When it comes to footwear, if it is approved for electrical work, it will be marked as such. The approved footwear will have insulation to prevent electrical currents from passing through the feet, reducing the risk of electric shock.