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  1. D

    Drilling Through Copper Bus Bars

    I recently spent roughly an hour drilling through copper bus bars, surely there's an easier way to do it? :ack2:
    • davidrose99
    • Thread
    • copper drill drilling roman speed through
    • Replies: 17
    • Forum: UK Electrical Forum
  2. Y

    fan speed control wiring

    Hi Guys Trying to connect speed controller to fan not sure what connects to what for 3 wire control. Any ideas? connector block on controller z u uz connector block on fan one end of capacitor connects to brown .The other to black 2 grey wires N E
  3. L

    speed controller very hot

    A speed controller controlling fans in a kitchen in a restaurant is hot to touch. Any ideas on what the cause would be and what do to rectify it?
  4. M

    Wall Speed Control

    Maybe a stupid question.But.............. Customer wants to dim the lights on his ceiling fan, however is is a single supply with pull cords operating the fan and lights. I need to fit a speed control as to not cause any damage to the motor. I have never fitted one before, is there any issues...
  5. C

    Cheeta fan speed control wires???

    Could someone please explain how the cables work on a cheeta kitchen extract fan. I am a ac engineer gone onto HVAC with my new job. I recently replaced fan but don't understand how the wires work. It's a single phase fan but with 3 lives but not 3phase because they are lower voltage but the...
    • Craig Johnston
    • Thread
    • control fan speed wires
    • Replies: 1
    • Forum: UK Electrical Forum
  6. S

    trainee in need to help

    hi im a trainee in need of help! im revising for my 309 science and principles exam and i have some revison questions im going through, the first one i could do with a hand with is: "describe briefly how electronic devices may be used ina a motor speed conrol unit" many thanks fro any...
  7. M

    110 v motor with speed controller

    Hi all thanks for letting me join im generally very good at working out elecrical things but this has got me a little stumped. I am trying to install this speed controller to my 110v ac motor (please see attached photos) I have been told this is the correct controller for this motor and the...
  8. J

    SKY Customer Services

    I've been signed up with SKY for the past 11 months, I get my phone line, TV & broadband through them. When I took out the package they promised me the world and were very helpful but after about a month my broadband speeds slowed down to less than 1 Mbps. I emailed them and they said it's...
    • jimmymac
    • Thread
    • because broadband customer phone services signal sky speed
    • Replies: 9
    • Forum: Electrician Talk
  9. P

    2 speed star delta motors

    Hi guys, would anyone have any info on 2 speed star delta motors the one I'm looking at has a selector switch on control panel for low speed this brings in one contactor when you rotate the switch from low speed through off position to high speed position it drops out the low speed contactor...
  10. T

    Dam speed camera van (robbing *******s)

    speed camera van was on a47 in layby had yellow light flashing on roof and in front of it was a broken down lorry with cab up so thought it was breakdown for the truck till got closer and found out it was speed camera van.. Dam! yeah i know shouldn't speed but forgot in van speed limit is...
    • tonto33
    • Thread
    • camera electricians vans speed van vehicle
    • Replies: 101
    • Forum: UK Electrical Forum
  11. Clive P

    3 Phase Bandsaw.

    HI, Just about to post and I noticed a similar thread, anyway here goes. Not worked on motors or controls for some time so after some advice. A friend of mine has just got his hands on a 3Ph Startrite 352 Bandsaw, yes; you're right only a single Phase supply available. At the moment it is...
  12. F

    Fan speed controllers?

    Hi guys wanting to run 2 fans off one speed controller will it work?? Or will they need 2 separate controllers
  13. B

    help with a fan speed controller

    Hi guys I'v got a question to do with a fan speed controller. It's a systemair STL-0100-at. I can't get the model of the fan/ motor it's controlling due to the badge being weathered. Bit it is single phase. I am just wondering how these speed controllers work. I was called to a site for the...
  14. S

    Commercial canopy fan help

    Hi i have a canopy fan to wire up the problem is a 3rd party has left no wiring diagram for it. It will be working of a speed controller which has the connections N L E U1 U2 1 2 . The Fans make is RUCK Ventilation DVNI 500 E4 Single phase it has 5 conenctions at the isolator. It is numbered...
  15. N

    3 Phase motor on AHU

    Hi everyone. Have a problem iv not come across before. So the motor has stopped running on the AHU in our building. It's controlled by an inverter. First thing I done is check the inverter was running (which it was), then checked for voltage at the motor terminals. To my surprise (and probably...
    • normanton
    • Thread
    • 3 phase inverter motor phase speed tests voltage
    • Replies: 22
    • Forum: UK Electrical Forum
  16. S

    DeWalt DCD985L2 18v XR Li-Ion 3 Speed Combi Drill

    For sale but perfect working order 2 batteries Charger Case All new internals just replaced under warranty £160 Camberley Surrey
  17. C

    How can I speed up?

    Hello, I am an apprentice electrician doing work mostly on domestic 3 bed house rewires (do flats and other houses as well but most are 3 bed houses) we normally do the rewires in 1 day (start about 8 and finish time varies between 2-3 (if lucky) and 4-6 most of the time) The issue is that it...
  18. R

    Motor speed controller.

    I have a milling machine that has too high a motor speed. If I use a speed controller does that reduce the power output from it as well as the speed? It is a 0.5hp 3 phase motor. Also, where's the best Alsace to get one?
  19. P

    Industrial Ceiling Fans - Speed Control Issue

    Hi Guys, I have two ceiling fans and a speed control unit which switches on the fan and allows you to control the speed of the fans. Speed Control Unit Model is RV-05 2A max, 480W - with Forward / Reverse and OFF switching. I only have T&E from the switch to each fan (2 x Switched Lives which...
    • Poorle
    • Thread
    • ceiling control controller fans industrial issue speed switch switched
    • Replies: 11
    • Forum: UK Electrical Forum
  20. S

    Warning Watch Your Speed

    Good Evening All, Just a quick one that I was asked to share by a course tutor on a driver awareness course. In my ignorance and not knowing the actual class of my vehicle and presuming that it would be the same as a car I was collared for speeding a couple of weeks ago by a stationary safety...
    • SYKRAPS
    • Thread
    • speed warning watch
    • Replies: 45
    • Forum: Electrician Talk

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