Goodness knows about these cheapo products, but decent ones (e.g. MK USB charging modules, such as K5837), like decent isolated shaver sockets, have primary switching of the PSU ....
Mr MK said:
Just one? If so, which? The socket part of it needs to be to BS1363, but I rather doubt (but don't know for sure) that BS1363 covers USB chargers.
Indeed - but, as I said, some of them (like the MK modules) consume zero power when 'unloaded' (when nothing is plugged into their socket), since there is a plug-activated switch on the input to the charger circuitry. As I also said, the same is true of decent isolating shaver sockets (which are 'simple transformers').
True, but those who seem to have a concern about these tiny 'standby' loads may not do thatWhich is successfully bypassed by running a cable to a convenient location.
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