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  1. R

    Can I install an EMI filter to an existing solar system without jeopardising my feed in tariff?

    Can I install an RFI / EMI filter (designed to increase efficiency with a photvoltaic (PV) solar energy inverter) to an existing solar system without jeopardising my feed in tariff? https://www.eetimes.com/schaffner-emc-emi-filters-optimize-pv-solar-inverters/ Thanks
  2. T

    UK Rutland's dk6680 air filter

    Hi all I have this air filter, it works when inturn it on It has 3 settings for power, when I click it or use the remote to turn to power 2 or 3....it turns off. Originally this was fine I could slap the top and it would turn back on but I'm now making a spray booth for my air brushing and...
  3. S

    Noise filter in inverter driver circuit

    I have one 1kw single phase and one 5.5kw 3 phase inverter to drive 2 motors. As the installation is in proximity to 2 smart meter, I'm thinking about the installation of a noise filter. Both motor driver will be switched by a 3 phase contactor. Does the filter makes any sense , if a 3 phase...
  4. D

    EMINoise filter amp ratings?

    if a servo driver has a amp rating of 9.5 amp single phase 240V and peak current at 30amp what amp rating should be chosen for a emi power/line filter? thank you.
  5. M

    RC filter from power bank, to get rid of high frequencies

    Hi! I have a question regarding a RC-filter I'm trying to create. I have an amplifier with a microphone connected to power supply in a power bank. The power from the power bank is switching power which causes a lot of noise for my analouge circuit. So I want to filter the high frequencies...
  6. H

    carbon filter on cooker hood

    I need to change the carbon filter on my cooker hood but I can't open the old one. I have tried Wd40 but it still won't budge. Model Lamona 2501
  7. L

    Please help with powering garden pool filter

    Hello All, I need help with powering a garden water pump. I need a transformer but don't know which one. Please check the picture. Any advice would be appreciated. Thank you.
  8. 8

    Building Control - Extract fan with filter?

    Evening all. Note sure about this one: I have a job of new circuits to install for a new domestic extension - nothing fancy. It has a ensuite shower / toilet on the new install, 2 walls of the en-suite are internal to the extension, 1 wall backs on to next doors extension (touching), and...
  9. P

    Do others filter the potential time wasters?

    I am sure there are far more time wasters contacting me than a few years ago, or is it just me being grumpier in older age. I think I'm usually good at sussing out the time wasters and I would say that around a third of the people who contact me I don't even arrange to quote them as I believe...
  10. Midwest

    Vans, diesel engines & DIESEL PARTICULATE FILTER (DPF)

    This subject has been mentioned before (wirepuller talked of it), but it won't hurt to mention it again (Fawlty Tower Style!) for those thinking of a new van (or car). I've been looking for a new used vehicle; was thinking of getting some sort of Chelsea tractor, one of which was a Discovery...
  11. Chainhurstman

    Waterproofing the U/V electric assembly of a pond filter.

    Three of my older pond filters have an integrated U/V assembly in the filter lid, which is raised well above the level of the water in the filter and therefore never intended to get wet (at least, all the while that the lid pipework itself remains sound). One, unfortunately, overflowed, so...
  12. D

    EMI/RFI Noise filter

    Noise filter will be in between wall 240V and device. If the device is rated at 10AMPS then what AMP noise filter is required? Is it 20% above device rating? regards.
  13. J

    Need Help At Four Stroke Combustion Engine

    Hi, I’m making a training tool/website to help people learn about engineering, but I’ve got a bit of a problem. I was working on 3D model of an engine and labelling parts etc. but there is one piece whose function I do not known (see below image). I’ve asked around but no one I know seems to...
  14. O

    BT Email and BT Spam filter

    This is a bit of a long shot but can anyone give me a clue as to the "workings" of the BT spam filter? We have 4 BT accounts - 1 each plus a generic family one. Yesterday I forwarded an email from the generic one to my son ..... it didn't arrive. It wasn't in his spam filter. So I logged on to...
  15. B

    Focus 1.8 tdci spluttering

    My Trusty focus started to misfire and splutter as I was overtaking (uphill on a motorway) ended up dropping back and engine run as normal. problem got gradually worse suspected a burst pipe or seized turbo motor, a quick check said nothing amiss. Ended up driving like a sunday school teacher to...
  16. E

    Telephone Line Question

    Not sure if this is in the correct section Hopefully someone can help me with this one So recently rewired a house and included was some additional telephone points. All cables installed correctly away from mains cables The telephone points are wired in cat 5e There are two slave points and...
    • E.E.I
    • Thread
    • broadband filter phone point question slave telephone
    • Replies: 13
    • Forum: UK Electrical Forum
  17. D

    Garden Supply trips RCD

    Hey everyone, this is my first question post so please go easy on me :) My parents have a pond in their back garden, it has a pump and filter in it which is powered from a mains supply from the garage. The RCD on the house consumer unit tripped a couple of days ago and wouldn't reset untill...
    • Deleted member 86472
    • Thread
    • fault filter garden rcd supply tester trips
    • Replies: 7
    • Forum: DIY Electrical Advice
  18. H

    Shower Problem.

    Was sub contracted in by a plumber to replace an electric shower. Old shower was going hot and cold intermittently. Plumber assumed the shower was knackered and told me to replace it like for like. No cable installation just a straight swop. Also as soon as shower was turned on lights in the...
    • highspark
    • Thread
    • filter plumber pressure problem shower water
    • Replies: 8
    • Forum: UK Electrical Forum
  19. S

    What conduit for pond filter flex?

    Hello, I have a pond filter, that has a short (3-4m) run of flex to a junction box, and I want to protect it, but can't decide on the best conduit. The flex will be discreet but not buried, and will run with the hoses from the filter across a flowerbed. (It's at risk of boots & hand trowels...
    • sebjf
    • Thread
    • black conduit filter flex pond screwfix steel
    • Replies: 3
    • Forum: UK Electrical Forum
  20. T

    Generator and UPS

    Hi all. Hoping somebody can help with an issue I'm having at a school I do maintenance work at. They have a geni with auto transfer switch and ups providing back up to the IT equipment and phones. The ups works fine when geni is disconnected, but as soon as the geni fire's up the ups goes...
    • tjw76
    • Thread
    • different exactly filter generator output ups
    • Replies: 5
    • Forum: UK Electrical Forum

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