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  1. L

    Velux remote (battery controlled) issues

    Hi all. The short question... Can electric velux windows send a signal to a AA battery-controlled control pad that causes the control pad to quickly deplete the batteries? The details... I have three electric velux windows in my kitchen and two in my bathroom. All recently installed by the...
  2. D

    Recently changed a light switch which controlled 2 lights. Now only 1 light works. Pictures included

    There are 2 sets of lights surrounding my house outside. One set is a single light next to the door, a standard outdoor lamp. The second is a series of spot lights under the roof to the house. There was previously a single light switch in the living room which controlled both sets of lights...
  3. EricMark

    How were dynamos on steam vehicles controlled?

    There Seems to be only two wires on the dynamo, guy with it had no idea on how it was controlled, with cars turning on the ignition would motor the dynamo on a free wheel and one would adjust third brush to set output, since to stop engine you turn off ignition it also disconnected dynamo...
  4. P

    Wifi controlled FCU suggestions

    A customer has a couple of storage heaters on an economy meter and wants to be able to control both (seperate timer FCUs for each heater). They ideally want wifi controlled FCUs, but there isn't much on the market and the reviews aren't great (I usually use timeguard standard timer FCUs). Any...
  5. S

    Relay controlled by power to an LED

    Hi, I have a 12V output from a control box that lights an LED. I want to use that output to switch power to a camera, but don’t want to lose the LED. The LED has a resistor in series. My first thought was to just put the camera in parallel with the LED, but then thought a relay with the coil in...
  6. Clive Richards

    home automation alexa or app controlled light switches

    I am trying to automate my home as much as possible having installed hive for heating and some light bulbs - however there are some rooms where the lightbulb option is not possible and I need to have automated light switches. The problem is that all the ones that I have seen (which connect to...
  7. S

    Old Council Controlled Central Heating Contactor

    Hi, a friend of mine has moved to what once was a council house, and has a contactor that was apparently used by the council to control the heating. He wants to change over to an economy 7 type meter. The DNO won’t do anything until the contactor is gone, but won’t touch it themselves. It’s not...
  8. P

    Central heating controlled by raspberry pi and relay switch

    Hey guys, im not a professional electrician, I just have a basic knowledge of some stuff. In order for me to be able to explain what i want to do, I will first explain what is in place at the moment. We have a 3 zone programmer which we never use as a programmer, we just turn on each zone...
  9. S

    Lighting circuit controlled by a time clock and photo cell through a contactor

    Hi gents, I am going to a job to install some new external lighting on a factory on Monday. There are 5 new circuits to run in total. They want these to be controlled by a time clock an photo cell but also run through a key switch and contactor. It’s been some time since I wired contactors and...
  10. J

    Using Hager J804 to wire two lights controlled by one switch

    Hi, I’m replacing the two lights in my living room (both ceiling rose pendants) with flush fit lights, so was looking at using the Hager J804 junction box (I have access under the floor above light fittings). Both lights are operate by a single switch. The ceiling rose has no Loop out. My...
  11. D

    Luxna App Controlled Downlights?

    Hi folks, I've been very impressed with the recent marketing videos I have seen on the app controlled downlights. Hermen and Luxna have exactly the same promotional video so I am assuming that they are the same light with different packaging. Anyway, one of my customers have accepted a quote...
  12. Bob Geldoff1234

    Remote controlled light switch

    Could anyone recommend a remote controlled light switch? It must be able to dim and switch up to 320 watts,preferably not be too deep at the back and not cost a fortune.Also there is no neutral at the switch so it would have to be a live in and live out one. The ones i have looked at on Ebay...
  13. polo1

    PIR controlled led floodlights

    Does anyone know why manufacturer's instructions would state not to have more than one fitting on the circuit? These are customer supplied "frog eye" external floodlights, each fitting has 2, 20W eyes. We weren't aware of this instruction and fitted the two fittings on one radial, the second...
  14. L

    Replacing 2 gang dimmer with WiFiPlug Glass switch wiring question

    Hi all, I have a small outbuilding with interior and exterior lights controlled from inside by a 2 gang dimmer switch. I want to replace this switch with a WiFiPlug Glass one (pictured), so that the lights can be controlled from the house. However I'm a little confused by the way the current...
  15. C

    Dali ballast fittings

    Hey , Just aquick enquirey regarding Dali ballast fittings. Can the control wiring be removed ,then this inturn would return the fitting to a standard light fitting controlled via a switch or would the fitting become redundant ????
  16. D

    VFD controlled Pump relationship clarification

    We Know that when configured for scaler control, a VFD willadapt its switching modulation to ensure that when frequency is changed, motorterminal voltage will change hence the term Voltage frequency ratio. Similarly, if we look at the affinity laws for a centrifugalpump we see that a 10 %...
  17. C

    Contactor controlled distribution board via emergency stop

    Hi. Im looking for the best advice for wiring an emergency stop circuit controlling a dis board via a contactor. This is a dis board feeding circuits in a workshop so the whole dis board must be de energised when the stop button is hit. The problem being the contactor is fed from the dis board...
  18. Hellmooth

    Remote controlled lighting

    Customer is looking to control some lighting from a remote/button, has anyone fitted anything similar, it's only for 1 circuit. I've installed universal receivers that can control garage doors and gates, I have used these to switch a contactor to control outside lights, was hoping for something...
  19. N

    Aico Radio Controlled Detectors

    Hi all, Looking at fitting several Aico detectors with Radio Controlled bases. Anyone know the best place to get them from as the bases are dam expensive? Thanks
  20. D

    bathroom lights and ceiling fan controlled by PIR

    Hi all, I've been reading this forums for the last 5 years, but never registered as I always found my problem described by someone. Can't find exact description for the following: Bathroom with 12V fire rated spot lights and mains powered built in timer in-line fan( Mixflo MF100T), to be...

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