This video is part of the "What, Why, When, How?" series. It explains what Isolation Transformers are, why they are needed, when you should use one and how to use them.
Because mains power is Earth ground based it is important to take steps to protect yourself and your equipment from damage. This video explores how to employ an isolation transformer when experimenting or servicing certain types of electronic devices. This includes PC Power supplies, old vacuum tube equipment, audio amplifiers etc.
Isolation Transformer Featured: https://www.amazon.com/dp/B0CKKYSMJ6
Chapters:
0:00 Intro
3:23 Jameco Isolation Transformer Schematic
4:25 ZHENGXI Isolation Transformer
6:25 Amazon Listing
7:00 ZHENGXI Unit Teardown
9:35 Exploring Output with AC circuit tester
11:26 ZHENGXI Isolation Transformer Schematic
13:20 Phantom Voltages on outputs
19:16 Why use an Isolation Transformer?
20:41 Neutral is connected the Earth!
24:28 Oscilloscopes and test equipment are Earth referenced.
27:14 PC Switch Mode power supplies are also Earth referenced.
31:28 When to use an Isolation transformer.
36:51 Simple Resistor Example / Demonstration.
43:57 High Voltage Isolated Probe.
