Isolation transformer
Safety isolation transformer · 220 V : 220 V · 300 VA · the output floats: no path to earth through you, and a scope ground can be clipped anywhere on it

Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Pins
- P1 (primary)
- P2 (primary)
- S1 (secondary)
- S2 (secondary)
Ratings and limits
| Ratio | 1 : 1 |
|---|---|
| Rating | 300 VA |
How to use it
Breaks the link between mains and earth, so touching one side of the output does not complete a circuit through you, and a scope ground can be clipped anywhere.