Mike wrote:

wrote in message
oups.com...
I have several transformers plugged in around the house (laptop,
battery
chargers, musical keyboard, etc.) I was wondering whether they drew
power
when the device plugged into them was switched off?


Anything that gets positively hot is best switched off for safety.


Anything that gets "positively hot" when not in use needs to be binned.

Don't say that.
You'll upset all the AGA users./