Most of the articles in this column have focused on how to find what type of power quality demons are lurking in your power system. However, the other aspect of PQ is how to get rid of them. Otherwise, it is sort of like a doctor who only diagnoses your illness, but can't offer any treatment.
In recent years, there has been a trend to increase functionality of many tools and testers that electricians use. The idea is that, if one tool can do multiple tasks, electricians will need fewer tools, which can mean a lighter tool belt or box.