The good news is that fire deaths have slowly declined over the past decade, due in large part to greater fire prevention awareness. In case of fire, the difference between death and survival is often simple preparedness and practice.

A transformer is an electromagnetic device without any moving parts that allows for changes in voltage, current, and impedance.

It is essential to clearly explain the difference between grounded and grounding, and then find a way to etch this into the student’s mind so he or she will not confuse or misuse the terms.