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ac dc convertors

Discussion in 'The EMF Rx' started by Bart, Dec 28, 2020.

  1. Bart

    Bart New Member

    After buying an emf measurement device, I realised that only those devices that were connected to the ground did not emit emfs in harmful quantities. Then I proceeded to ground as many of the ungrounded sockets.

    At the time I found that some of the devices that were connected to a socket with a dc adapter in between would not emit emfs.

    However, today, I did a new measurement of these devices that run on dc (and are connected to an ac socket through an adapter) and found that these devices are emitting large amounts emfs. I don't know what triggered the change.

    Now the problem is that the ac-dc adapters don't have a ground pin, so plugging in any of these adapaters into a grounded socket does not reduce emfs by the attached device.

    How do I got about reducing the emfs of these devices?
     
    John Saf likes this.
  2. Bart

    Bart New Member

    In response to myself:

    > However, today, I did a new measurement of these devices that run on dc (and are connected to an ac socket through an adapter) and found that these
    > devices are emitting large amounts emfs. I don't know what triggered the change.

    One of these devices is a television (lcd-screen). I now know what made it start to produce a high emf field. It was because I had disconnected the antenna cable. The antenna cable is attached to the ground..

    The other device is an electric piano. I also figured out why that one started to emit a high frequency emf field. It was because I disconnected it from an external speaker (which was grounded).

    And just now I figured out why my mac mini wasn't producing any emf's as it was not connected to a grounded socket. It was because it was connected to a grounded monitor with an hdmi cable..
     

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