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  1. S

    Could a relay switch be causing the havoc in my home?

    Thinking about it, the builder/his electrician should really have recomended installing cat 5 cable to the points you need it when carrying out the rest of the work. Before letting virgin media loose with the drill it may be worth getting someone to investigate the coax cables, the vm...
  2. S

    Could a relay switch be causing the havoc in my home?

    As others have said, the relay seems unlikely to be the problem, but it would be very easy to remove it and see if anything improves. Power line adapters work best on the same circuit, and even then you are unlikely to get the full speed. Have you tried them on sockets in the same room. TV...
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    Issue with dimmer switch

    Don't think anyone has mentioned yet but bin the neon screwdriver. If it is the type that has a metal pad on the end that you touch, you are connecting yourself to the mains with only a resistor to limit the current to a safe level. If that resister got bypassed, e.g. by water in the driver, or...
  4. S

    Replacing supply to garage

    Not sure how far you have got with this, but why not get back in touch with your electrician. He can tell you what he wants to see regarding ducting and SWA install, and perhaps pop round and inspect the trench, and then pull in the cable with you and make the connections. This is only a couple...
  5. S

    Electric shower temperature fluctuating

    Are you able to replicate the fault? You may then be able to see if the preasure is dropping or the power cutting out. Is there a light or indicator on the shower to show it has power? This may flicker or go off if there is a fault with the supply. As others have said, check all connections to...
  6. S

    Maximum zs generator and rubber box

    Out of interest, how do you protect against Line to neutral faults?
  7. S

    vauxhall astra h problem after installing reverse camera

    Did you have to modify the loom at all to install the new head unit. It sounds like you have maybe damaged or disconnected something there, maybe it got disturbed then you were installing the reversing camera. There are CAN wires in the loom to the radio, which probably link on to the display, I...
  8. S

    vauxhall astra h problem after installing reverse camera

    Have a look around online for some wiring diagrams. Basically the CAN Bus is just a data bus which links all the different modules in the car. I believe the higher spec Astra has a computer inn the back which does rear lights and probably the load assist. There is normally one somewhere up front...
  9. S

    Garage & other external buildings

    If the garage is on the ring, what is the distance of the cable run from the house? If there is a load of extra cable on one side of the ring it is going to make quite unbalanced if there are large loads at other points (e.g kitchen close to the CU)
  10. S

    vauxhall astra h problem after installing reverse camera

    Have you got a steering wheel adaptor of some kind to get steering wheel controls? It might be worth removing everything that is aftermarket and putting the original head unit back in if possible. I believe all of those things are controlled by can bus signals, sounds like you may have an...
  11. S

    Should I split PSU load?

    Also remember to include fuses or other protection for the wiring and strip. Splitting into 10a PSUs would also mean the overload protection on the PSUs would protect each circuit at 10a. I watched an interesting video recently about short circuit current and overload protection for LED strip...
  12. S

    12v Accessory Wiring Problem

    I think you could a achieve this with a relay with both normally open And normally closed contacts. 12v from the ignition feed would go to the COMMON pin on the realy. The NC contact would feed the accessory. The NO feed would go to power the relay coil. The other side of the coild would then...
  13. S

    Advice ref blinking lights all circuits

    Why would this cause a flicker?
  14. S

    Advice ref blinking lights all circuits

    Tungsten filament bulbs are very basic - the filament is connected between live and neutral and the light output is (kind-of) proportional to the voltage across it. So when there is a dip you will see a drop in brightness. LED bulbs and most electronics are powered via electronic outputs, which...
  15. S

    Advice ref blinking lights all circuits

    If you have any high load apliences sutch as a shower or oven, or an electric heater, try switching these on and off and see if it affects the lights. A very slight dimming is normal but if its quite significant that could indicate a poor connection. If you can get the electricians back, try...
  16. S

    Connecting Consumer Units.

    Just bear in mind that connecting the 2 consumer units together is a fairly simple task in its self, and if you get 2 wires in the right place, or even almost the right place, everything will work. What you won't know until it happens, is how the installation will behave in the event of a...
  17. S

    Moving consumer unit backboard

    The incoming service cable coming up the the cut out is very stiff and thick (compared to twin and earth etc that you may find in your house). Moving the backboard with everything in situ will involve having to put some tight bends in the cable to get it to sit at floor level, and this can work...
  18. S

    Combining two laptop chargers?

    The old charger you mention cannot provide as much current as your new charger. If you say your new charger will not charge the battery unless the laptop is off, this may also be incorrect for the laptop. Remember that laptop batteries are usually lithium ion and can overheat and explode if...
  19. S

    Crossed Polarity smart meter into mains

    I'm not sure that I would agree that shutting down the power was unnecessary. Whilst the installation would function without issue if there were no other faults, if there were no RCDs present there would be very little protection against Live to earth faults. I guess with RCDs present it would...
  20. S

    Amendment 3 and Upfront RCD/Overcurrent protection for TT Submain

    Perfect. This is what I was after. Just to confirm, one of these will fit in here, and I will have a suitable bit of busbar etc from the main switch?

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