emf

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  1. A

    If I replace my Smart Meter w Analog, BUT my neighbors have Smart Meters, will I have EMF issues?

    I’m currently in the home-buying process, and some of the homes I’m looking at have Smart Meters installed. Thankfully, I live somewhere where we can easily opt-out and have an Analogue Meter installed by the utility company, so making that modification would not be too difficult. However, I’m...
  2. D

    EMF dangers - advice needed

    My flat has high levels of EMF, Electromagnetic Field from floor wiring / Electric Field from ceiling wiring. It is often is above safe levels for continued exposure. Two years ago I had 2 incidents when EMF was so strong it made my entire body shake visibly - I had to run to get out of the...
    • Deborah B
    • Thread
    • advice dangerous electrical issues electric field electrical wiring issues electromagnetic field emf needed possible electrical shock causes
    • Replies: 43
    • Forum: UK Electrical Forum
  3. J

    The induced EMF can be found by...........?

    Hey everyone, Im a complete beginner and looking into the lvl 2 2365 syllabus to see what i need to be studying. I came across some multiple choice questions and came up against the below question, can you please direct me to some good vids/sites etc that will help me to understand. I need...
  4. F

    How to wire for "electrically sensitive" people

    Hey everyone, I believe I may be one of the crazy people who thinks they are "electrically sensitive"... I hate that I am that guy, but this is kind of where I find myself. I'm convinced that the farther from all electrical stuff I sleep, the better I sleep, and I've kind of gotten obsessed...
  5. E

    RF / EMF Interference

    Hi Guys,Haven't posted for a while ,should be retired really but you are never too old to learn. Any solutions to Radio interference caused by LED lighting or Photocells would be be most useful . Many Thanks in advance.
  6. T

    EMF demand switches

    hello all I've got to carry out some work at a ladys house who is suppoisidly sensitive to electricity, (just like the guy off "better call saul") anyway I'm planning to spilt the two ring mains to four radials and fit four "demand switches" which are meant to isolate the cables when there not...
    • tom262
    • Thread
    • circuit demand emf switch switches
    • Replies: 11
    • Forum: UK Electrical Forum
  7. S

    Back EMF diode

    What specific diode would I need for 12v DC locks, to reduce back EMF, as when you buy them on there own there is no diode unlike the paxton stuff etc that comes with one??
  8. Q

    Explain to me Electromagnetic Induction, EMF to be exact...

    Hello, I am struggling to understand how electricity is generated in an AC generator... I know that there is a coil of wire and a magnet, and both of them have their own magnetic fields and as the magnet moves into the coil's magnetic field, it causes electrons to move in that coil. Well if that...
    • QueenZ
    • Thread
    • circuit closed current electromagnetic emf explain induction
    • Replies: 36
    • Forum: UK Electrical Forum
  9. G

    Sensor, Relay and back EMF - 24VDC??

    Hi, I am using an ifm sensor to detect a product coming down the line in our factory. I have connected this sensor in such a way as to energise a 24VDC Relay. No PLC involved here. It does the job perfectly and I am happy with it. Anyhow, I was just wondering if I should be using a surge...
    • gerard
    • Thread
    • across canada diode emf relay sensor surge using
    • Replies: 3
    • Forum: Canada
  10. M

    Induced Emf Calculation

    hi all just going the trevor Linsey advanced installtion work level 3 and i'm struggling with a calculation regarding average induced emf..the Question is : The Magnetic flux linking turns 2000 turns of electromagnetic relay changes from 0.6 to 0.4 mWb in 50ms. Calculate the average value of...

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