If you aren’t confident in your knowledge of one of the following subjects, go back to the relevant lesson in the course to give it a review.

• Power tools and extension cords must be inspected each time they are used.
• In electrical engineering, a transmission line is a specialized cable or other structure designed to conduct electromagnetic waves in a contained manner
• In electric power distribution, a service drop is an overhead electrical line running from a utility pole, to a customer’s building or other premises.
• A meter box is one of the most useful and simple instruments to measure electrical power when no deeper analysis of the measured data is required.
• An arc occurs when electric current flows between two or more separated energized conducting surfaces.
• 2,000 to 15,000 volts – 16’ boundary
• A safe working distance depends on the voltage of the power lines.
• What isn’t visible is an extremely high electric current that is surrounded by a strong electric field.
• Faulty Equipment is any type of mechanical or electric equipment that is dangerous or unsafe to use.
• Go inside when you hear thunder or see lightning.