current

  1. A

    Why is this happening? Electric current but no light.

    Im not sure why the light does not come on. Tried 3 different bulbs. Voltage is passing through the black and red wire. The bulb too. Tried 3 bulbs.
  2. B

    Current rating for tumble dryer?

    I have just bought a tumble dryer that has come supplied with A 13A fuse. The manual says it has come with a special plug, that must be plugged into a 16A rated socket. Surely if I plugged it into a 16A socket and it tried to draw more than 13A it would blow? Can I plug this into a normal 13A...
  3. S

    Advice on 3Phase Hob

    Hi there I have not done a huge amount of work on 3phase. I am installing a Induction Hob as part of a new Kitchen refurb- to be specific the hob is NEFF T59FSRX2. It is a 11,100W with the ability to power limit and support single or three phase connection. NEFF have not provided great...
  4. kuji55

    JIB Electrotechnical Certification Scheme (ECS) Current from 5A to 200mA

    Hi, can I ask you what is the easiest way to make from 5A 200mA, in my voltage source?? thx for your help
  5. Calebp43

    Neutral current in a single phase installation confusion

    In a 3 phase system the neutral carries current that is unbalanced. Okay. So in a single phase domestic household the neutral carries the same current as the live otherwise the RCD will trip. So does that mean if we have a perfectly balanced 3 phase system then if I go to one of the phases and...
  6. B

    electricity shuts down current to half of apt. also a pitch sound ?

    electricity cuts power to half of apt. and not trip the breaker . also a high pitch shrieking noise. ?
  7. melvinkoshy

    Fluke multimeter current

    When I use Fluke multimeter clamp-type [true RMS meter] to measure AC current in a 3.5C XLPE cable, does it give the value of leakage current or RMS value of current per phase through the cable?
  8. S

    Current leaking from sealed electrical in water?

    I’m designing a light fixture for underwater lights and everything was going great until I checked for any current leakage. All I have is a multimeter but my meter is reading 90 vac when lights are powered. The bulbs are being supplied with around 120 to 135v and the reading I get from the water...
  9. T

    What is maximum current of the mains?

    Hi, What is th emaximum current draw allowable from the mains for... UK domestic single phase Light industrial single phase Light industrial 3 phase If there are different levels, then please advise. Basically i suppose what i am asking is what current does the wiring have to be rated for...
  10. W

    Anyone any idea what this is behind plasterboard. Testing positive for AC current. Confused.

  11. LauHir

    Current leaking through some On/Off switches?

    Hey! I bought a few simple on/off switches that you plug into a socket, and they have a single output which is either on or off depending on a toggle on the switch. It's AC current. However, as I put a LED onto one of them, I noticed it was dimly lit even after the switch was set to off...
  12. timhoward

    Kitchen fitters.....

    No photo's as customer is already in dispute with kitchen fitter and was very strict about it! I went to look at what would be involved to add a missing dishwasher point in a brand new kitchen. House is TT. Kitchen is on a B16 radial. Hob and Cooker are on their own circuit. It's only sockets...
  13. E

    Satisfying over current characteristics of RCBO's

    I work in the events industry which works under 7909. This assumes that someone qualified 7671 etc has tested the distor's and designed a system before it is sent to an event where people like me with 7909 then plug in and do some basic testing. I've completed 7671 and other domestic install...
  14. Rockingit

    Anyone used one of these current clamps?

    In the market for a flexi-coil high rated current meter, wondering if anyone has used one of these before? Or has an alternative recommendation. https://www.test-meter.co.uk/chauvin-arnoux-digiflex-ma4000d-350mm-sensor
  15. OhhhMy

    Residual Circuit Current Breaker triggering. Why?

    Hi! I'm new here, so, please, be gentle... Decided to add some extra features to my old and simple barn's electric system to make it safer and measure the consumption. It's a three phase 230/400 volt line. The neutral, as far as I know, is grounded at the step-down transformer. I don't have a...
  16. Izak568

    How to investigate a circuit if some devices pull too much current?

    Hello, If one device is pulling too much current, what should I do? Thank you
  17. J

    Tri rated cable current carrying capacity

    I have a 37KW motor and need to replace some burnt out 35mm2 tri rated cable(loose connection). I’ve looked at 25mm2 Tri rated cable the data sheet says it’s current carrying capacity is 136amps. The lengths will be 0.5m.Is there any other consideration I should take into consideration? It will...
  18. S

    Solar How do I limit or feed inrush current for higher constant current use?

    How do I limit or feed inrush current for higher constant current use? If I could find solution, then the chosen battery cell type can have much lower Discharge/Charge rate. My product research found that lower Discharge/Charge rate cells are much lower price. So you can purchase more storage...
  19. J

    Soft start and high current draw

    Had one today I can’t get my head around. 4Kw motor connected to an Allen Bradley soft start. The panel runs 2 motors Both 4kw. I was called originally due to one motor not running. This turned out to be a tripped the motor circuit breaker (one with adjustable current dial). I tested the rest of...
  20. harvirsingh

    question 6 in current design

    calculate the desgin current of the radial circuit suppling the air compressor ( circuit BR4) i need help with this ASAP please
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