power

  1. OnlQQker

    I Wonder How These Will Play Out...

  2. D

    How can I restore power?

    I was trying to replace an outlet, but when I went to restore power it tripped the breaker and cut power to my entire unit. Any idea what's going on here?
  3. A

    Aircon issue - Astra J

    The air conditioning on my Vauxhall Astra J has stopped working and I'm running out of ideas on how to fix it. Steps so far: The compressor clutch is not engaging. I had the AC system re-gassed and it's not leaking. The compressor seems free to spin, so not jammed. There are two cables to the...
  4. T

    Access control and power failures

    I need to handle power failure for my electric strikes in my house. Of course, I can leave the keyed entry on the knobs, but what if I wanted to get rid of physical keys all together? All equipment (more than just access control) is already on UPS, but that will last a short time. Odds are, if...
  5. T

    Flickering power to half the house

    Hello everyone! I'll start by saying an electrician is going to be called on this one, but I'm so curious as to what might be going on I just wanted to pick some brains. About 6 months ago, we started getting a little flicker in the all the lights in the house. Nothing big, and didn't think much...
  6. N

    (Non Pro) How do I check apartment power quality?

    Hello, Not an electrician and I currently live in an apartment building. Over the past few years I have been having abnormal problems with my computers and other electrical devices. In the last couple of months or so the problems have been massively increasing (both old and new devices). I am...
  7. yogesh

    VSD effect to energy meter?

    We have 10 energy meter in that 4x of them are giving the negative reading. The events shown are two 1is Negative Power Element 2 Warnings & 2. Negative Total Power Warning. The plant is not generating power & we are not sure where this export power coming from on site We have verified the...
  8. W

    Power supply issues - flickering / electrical noise etc

    Hi Looking for some advice please. Keep having issues with flickering lights, some devices such as dehumidifier "stuttering" because power supply appears to be poor. All the internal wiring in my property has been checked in the past and any issues fixed e.g. new RCD consumer unit, earth...
  9. P

    Connect chandelier to the downlight power point

    Hello, We changed plans with lighting in one zone. Now instead of 4 downlights (square shape of 1400mm side) we want a chandelier. Since downlights are already wired and gyprock installed we cannot wire it up separately to the downlights. I asked the supervisor to not drill holes so we can do...
  10. I

    Danfoss FC51 lack of power options in configuration

    Hi all. I have a Danfoss FC51 vfd. When I go to the menu 1-20, only appears the options from 8 to 11, which corresponds to a 1.1kW to 3kW. I have tested directly in the local console and also with the MCT10 software, there are only the options from 8 to 11 available I have a motor of 700W, but I...
  11. B

    Bathroom LED Mirror Turns On Automatically After Power Cut

    Hi All I have recently had a new bathroom mirror installed with a built in LED and Demister that is turned on using a motion sensor. The mirror works perfectly, except when there is a power cut. When the power is restored, the mirror LED automatically turns on, this is not ideal if we are out...
  12. Mark W

    Power station control room/turbine telegraph

    And now for something completely different! I have been after a power station telegraph for decades and due to the fact most would have been obsolete after the 1940's I assumed I would never be able to obtain one but........ The power station telegraph system is just like the ones found on a...
  13. M

    Mini one 2001 losing power since got my radiator fixed

    Mini one 2001 losing power since got my radiator fixed
  14. D

    Zanussi 7.35kW induction hob power cable

    Hi all, I’m now ready to install my hob, I have a 32A MCB with 6mm T&E feeding a 50A rated switched supply at the worktop. The hob isn’t supplied with a power cable and the manual says it needs connected using a H03V2V2-F or H05BB-F cable with a temperature withstand of 90 deg C minimum. I’ve...
  15. S

    Scottish Power metering

    Just been called by a customer who has had their meter changed by Scottish Power, the operative would not switch the supply back on saying that the consumer unit needed to be checked by a qualified electrician and then sealed off the isolator with wire and crimp. This is a two year old house...
  16. Mr305worldwide

    How do I power on HID headlights?

    Hi all I'm wanting to do some testing on my HID headlights and I need to power the projectors on on a bench. It has a ballast and the HID bulb.
  17. P

    power a second consumer unit in the garage from our main consumer unit.

    Hi can you power a second consumer unit in the garage from our main consumer unit. We have a big armed cable from the main consumer unit into the garage and can we connect this to a second consumer unit? The armed cable current runs our solor and comes from the fuse in the picture attached.
  18. S

    RCD trip when power cut occurs

    Hello. we have had a few powercuts over past few months and am in middle of one at the moment where power has gone off a few times while DNO are trying to resolve issue. House is a mid 1980'S PME and on housing estate. Current setup is single RCD with mcbs. Am currently waiting for spark to...
  19. S

    Battery 300w power from auxiliary battery

    Looking for advice for how much power I can reliably get from a dual battery system please (note it will be installed by a professional, I am just trying to work out if it’s logistically possible to get the power I need) I have a Zero Breeze portable AC unit which I would like to run off an...
  20. K

    Why live to ground voltage is only 0V (in a 220V AC power outlet, there is also electric shock)?

    Hello, my name is Kelvin. I'm a trainee hydraulic engineer in Indonesia. I apologize if this question has been answered before / if this question is too basic. So we have a problem with electric shock coming from an electric panel. This panel runs on 220V AC supply & is used to run an inverter...

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