wrote in message
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On Wednesday, 30 January 2019 04:16:40 UTC, Rod Speed wrote:
tabbypurr wrote in message
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On Tuesday, 29 January 2019 17:09:04 UTC, Dave Plowman (News) wrote:
In article ,
R D S wrote:

And why do similar rated ones differ so much in bulk? Is this just a
build quality issue?

Older ones will have a transformer. Newer ones a SMPS - smaller and
lighter.

All wallwarts use a transformer.

those aren't legal here

Bull****.

Not all of them do. Some of the lower
power ones just use a capacitor dropper.

SMPSes just use a smaller one.

Wrong, as always.

you are, as usual.

Wrong, as always.