This video is about building and using an adapter to convert the SCT013-100 current transformer for use with instruments that need a voltage, for example oscilloscopes, but you can use it with a normal multimeter as well, turning it into an inexpensive clamp meter with a range of up to 100 amps

The videos on the power meter are:
Building:    • Building your own power meter with th...  
Improving:    • Improving the sensitivity of a Peacef...