In part 5, I quick give and overview of breakers and fuses and what they do. Electricity has become an important element of every North American home. It provides lighting, heating and power for electric motors and electronics such as controls and computers. Our homes would not be nearly as comfortable or as convenient without electricity.
On the other hand, electricity is dangerous. It must be installed and used properly to be safe.
Electricity is tricky because it is invisible, it is complicated, and it can kill.