speed

  1. S

    what do these 380v wiring colours mean, I want to use with a 220v vfd. it may have had speed control

    Hello, I am a woodworker who has got a large old power feed, its 380v and i want someone to rewire to a 220v vfd for me, can someone please tell me what these old colour codes mean. I bought the machine in Scotland.I can't find any easy diagrams online.I think its a good few years old.Thank you...
  2. happysteve

    Brushless motor battery drills - unsatisfactory speed control, or just this model?

    Have had a Makita BHP458 (non-brushless) hammer drill for years, I love it, it's pretty indestructable and the torque's great, but the chuck's finally going. They seem to be moving to brushless motors now (for most of their combi drills). I've only recently bought a battery SDS drill (after 2...
  3. E

    Can anyone help me identify the 3 speed coloring of my cooker hood connection. Please look at the photos

    Hi Can someone help me please? I got a new cookerhood motor and I know the color coding for different speeds. But I need to find out the existing speed color coding to to connect to it. Could someone look at the photos and tell me which color is which? Its a 3 speed setting. Thanks in advance.
  4. J

    Would having upstairs/downstairs rings on same rcd speed up powerline adaptors

    Hi i'm trying to get the best speed i can from powerline adaptors scattered around the house. between the downstairs ones the speed is 784mbps, however to the upstairs ones only get 40mbps. i've eliminated all the interference i can around the house that was affecting the speed. if the upstairs...
  5. S

    Fan and speed controller

    Hello, I am new to this forum and recently have built a vaulted ceiling kitchen extension , I have run 2 4 inch flat duct from the kitchen across the vaulted ceiling into the existing loft space I have also ran a 3core +e to the loft from the kitchen island for a speed controller .. what I...
  6. Darrin Brand

    Inverter speed control help

    Can any one help ? Emerson command sk I've got a 3ph motor from a boilie making machine that has the above attached to it , I've reset the parameters to factory and input the motor parameters to the relevant fields but still can't get it to work , it's alternating between a tr01 fault or a...
  7. Ironbones

    DC circuit breakers VS semiconductor fuses high speed.

    Hi all. Just to start off still learning. Could any one help me with this and put me right if I am incorrect. I would like to understand the preference or reason for opting for DC breakers or semiconductor high speed fuses, when been used in low voltage DC circuit. I understand that...
  8. N

    Can I use a speed controller with this fan

    Just wondering can I install a speed controller on the fan below. I want to make a homemade air filter but its a huge fan. If so do you know suitable spec'd ones. Thanks im2501480 - http://www.canfan.nl/im2501480.html (New models have them built in)
  9. S

    2 speed hood fan wiring

    Hope someone can help I’ve removed a 2 speed extractor motor from cooker hood with 4 cables: white, blue, black and orange. Unfortunately the replacement motors cables are white, black, brown and red. Can anyone advice on how to wire the new motor in
  10. L

    Better speed control required for 24v dc mobility motor

    Hello all, hope this is posted in the right place. You'll probably guess after reading this post for help that i'm not an electrician! I've built a 4-wheel buggy utilising a mobility scooter motor and wish to slow down the acceleration rate. I am utilising the twist grip throttle from a...
  11. G

    Pedestal Fan - bypass speed control unit - Direct connection

    Hi, The speed controller on my pedestal fan is broken and I thought of bypassing it by connecting the power supply directly to the fan motor. When I opened casing, I found two wires (Blue and Brown) coming in from the plugs end and four wires (Red, Black, Blue and White) coming from the motor...
    • ggl
    • Thread
    • bypass connection control direct fan speed unit
    • Replies: 5
    • Forum: UK Electrical Forum
  12. O

    UK Speed Limits for vans ....................

    OK, hands up if you weren't aware of these : Speed limits - https://www.gov.uk/speed-limits I wasn't! Not been stopped yet!
    • Octopus
    • Thread
    • electricians vans speed van vans vehicle
    • Replies: 55
    • Forum: Electrician Talk Forum
  13. E

    if i could run faster than the speed of light...

    if i started running from where i am now faster than the speed of light could i bump into myself and trip myself up before i begin running?:runner::runner:
  14. C

    Manrose MF100 with low speed via external control?

    I’be seen a manual for a Manrose MF100 extractor fan (inline) with the option for two speeds to be selected via an external switch, basically it switches between two line inputs to the fan. I bought one and it only has a jumper switch inside the connection box to select the different speeds...
  15. D

    Bmw Speed sensor pulse wire

    As above, I purchased a front parking sensor kit for my BMW f20 118d 2012. The system requires connection to a speed pulse wire to activate the sensors below a certain speed. Does anyone know what colour wire it is and where is the best place to tap in to it?
  16. M

    200 amp switch for RC speed controller?

    Hi there. I'm working on an RC car which currently has a speed controller which has a peak of 200 amps. The power leads are meant to be connected directly to the batteries, there is no switch. I need a switch. However, just banging a 200 amp switch inside the car isn't going to work, too...
  17. L

    How to get upto speed with access control and cctv

    Could anyone recommend a route to gain knowledge about access control and cctv, we've always used a sub contractor to carry out our works, but eventually you have to think, why can't we do this? It's not something I'd be willing to just have a bash at. The standard of some of the installs are...
  18. A

    help with a Ziehl Abegg 560 mm, single phase fan speed controller

    Hi guys I'v got a question to do with a fan speed controller. it is Ziehl Abegg 560 mm, single phase. use electronic speed controller 6 amps..just replace a new same fan motor, when lower speed, controller temperture go up 30mins fuse(10amps)blow. when high speed , controller normal.. any...
  19. Mike Johnson

    Variable speed Pool pumps, France

    A lot of guys around my area of France have spent over €1500.00 on variable speed pumps for their pools, the saving on electrical consumption can be quite considerable over a year, but the cost of the pumps against a standard pump at €400.00 seems to beg the question can't a controller be used...
  20. Gary Tollison

    Can a dimmer switch be used to control drill speed?

    Hello As the title says... ;) I'm thinking about having a 1.8A 400V bushed fixed speed drill, mounted in a press, connected to a dimmer switch to control the drill speed. Any ideas, or advice? And please, to those who think I'm silly to think such an idea etc, I can do without the criticism...
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