Edit: As others have pointed out, it seems switching them off does stop them from drawing power.

  • SquiffSquiff@lemmy.sdf.org
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    1 year ago

    It didn’t used to be this way, but modern power adaptors are required to implement standby power:

    In the past, standby power was largely a non-issue for users, electricity providers, manufacturers, and government regulators. In the first decade of the twenty-first century, awareness of the issue grew and it became an important consideration for all parties. Up to the middle of the decade, standby power was often several watts or even tens of watts per appliance. By 2010, regulations were in place in most developed countries restricting standby power of devices sold to one watt (and half that from 2013).