interference | Page 2

interference

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  1. N

    cctv interference

    Hi ive installed cctv at my house with cat6e cable and video baluns im getting interference on a couple cameras can i stop this with them clip on ferrites?
  2. J

    Interference issues

    Hi all, this is my first post so go easy on me. A frien of mine owns a bar and he has some issues with his electrics. where the DJ stand is there is a switch for a small strobe light. when he turns it on and off and cuts the music out momentarily. what could this be? Also in the security room...
  3. yellowvanman

    Radio interference from LED lamps

    Just replaced some kitchen light fittings with fittings that have GU10 led lamps, now when the lights are on and they are listening to Radio 4 the radio crackles! Radio is about 2 meters from lights! No dimmer involved. Any ideas on how to fix. Just going to email Ledhut as well as that is...
  4. J

    "Electrical leak trace resistance" and "Anti-squelch interference capacitor"

    Hello, I am a translator translating a standards document from Chinese. There are electricity-related sections in this document which contain a couple of terms for which I have not found an adequate translation. These two terms translate literally as "electrical leak trace resistance" and...
  5. O

    Running data alongside external SWA power cable - confused about the best option

    This is my first post to what looks like a great forum so please excuse me if parts of this topic have been covered before but I can't seem to find a clear answer... I'm planning a 40m cable run along a fence to get power and data to a garden studio which will include 4 cables: 6mm 3 core SWA...
  6. G

    radio interference on door entry system

    Hi all. Got called to a door entry system fault. It's a new install but I suspect the guys who did it ran the cables with no consideration to segregate from mains cables. My jaw dropped when looking at the rest of their work. Anyway 9 appartments and an outdoor speech unit and all all handsets...
  7. R

    Can 2 way radio trip RCBO'S

    Good evening, Does anyone have any experience of RCBO's tripping when using 2 way radio near the DB.
  8. C

    Suspected interference on sky box rf2 channel 68 output to second tv

    "Hello All", I have a problem with bad interference on the reception of my Home`s TV`s that are connected to Sky Digiboxes in other rooms via satellite quality co-ax cables [Sky Box RF2 output] - this has just started yesterday and the Sky TV is un-watchable on these TV sets. The affected TV`s...
  9. N

    LEDs & Interference

    I'm led to believe that LEDs (as in the actual basic semiconductor device themselves) are comparatively strong emitters of radio frequency interference. Don't know about how much power or where in the spectrum but that's what I was once taught. Just wondering whether anyone has seen this as a...
  10. W

    Trailing edge dimmer interference

    Have installed 11 led downlighters to be controlled by a trailing edge dimmer switch , Inbetween the downlighters are some 0.5 watt led lights which are separately switched , when the smaller led lights are switched off the led downlighters turn dim for around a second then go back to full...
  11. N

    Noise on phone extension.

    I have an issue with noise on a phone extension. I have tested the line at the test socket at the master and the noise is not present so it must be internal wiring. I have repunched the cable at each end but the noise remains - bar installing fresh cable (which I cant see how it would make a...
  12. H

    Intercom interference

    Hi, I have just rewired intercoms on a block of flats. When you pick the handsets up you can hear the calling tone ever so slightly in the background. The call buttons are not being pressed it's just a constant tone. spoke to manufacturer and technician says this is normal? Tenants te saying...
  13. D

    Dysonairblade interference with ceiling pir

    Anyone come across this the dysonairblade has a mind of its own it goes on and off as it pleases only since I installed a motion sensor in the bathroom for the lighting.
  14. T

    RF Interference from LED security lights

    Hi Guys, Just Installed 5 x 30watt LED Security lights on a Shooting lodge and garage, controlled by 1 x External PIR and an overide switch. Any vehicle nearby looses radio reception when lights are on. This Is not a major problem but the customer would like the same Installation on his main...
  15. La Poste

    Switch mode power supplies??

    Greetings. I know that switch mode power supplies can create radio interference and also neutral harmonic currents but does anyone know why? Does anyone know why the components inside the power supplies can cause radio interference and/or neutral harmonics? Thanks very much.
  16. B

    Electrical Interference Problem that is driving me Nuts - Anyone seen this

    My name is Barry and I own a Business in Belfast called Citigolf. Citigolf set up in 2006 has 3 state of the art golf Simulators which allows anyone play real golf indoors with real golf balls and golf. In 2008 I started to have a problem with one of these Simulators - Basically the sensors on...
  17. whinmoor

    Internet Interference

    We did a job a couple of weeks ago using a Solar Edge 3500. It's generating as expected but may be having an unexpected side-effect.... Customer has sent the following email: "I was wondering whether the inverter, or any other part of the system might generate interference with electrical...
  18. D

    Cat 5e cable and interference

    Sorry if i posted this wrong area but not sure where to post , Looking for advice on running cat 5e ( non shielded ) in relation with standard t + e, Am on a new large contract for hotels and all rooms need cat 5e cable ,... Now i aint ever run this , just been to do so, ...now how far away...
  19. Richard Burns

    Radio interference from downlights

    I have just had a customer who is getting radio interference (not sure if this is new or has been going on all the time)when one set of downlights in the Kitchen is turned on. This is four 50W 12V downlights, they are wired with two 105W transformers in a kitchen cupboard each transformer...
  20. Energetic

    TV aerial interference

    Anyone had a problem with PV taking out the digial TV signal?

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