question

  1. C

    UK 50 Amp RCBO blue wire size question.

    I have a 50 Amp RCBO by "FuseBox" My device is part number RTO65030B https://lamplec.co.uk/ProductDetails/?code=RT065030B From a layman's point of view the blue neutral cable looks very feeble for a 50 Amp maximum load. Also there seem to be some RCBO's on sale with the bottom clamp terminal...
  2. LouiseSJPP

    Near off-grid system: question on grid input

    My little house in Spain sits in the forest and has a little wire from the electricity supplier, 20 amps max. It's a fragile link, caught up in trees which fall down regularly. I'm planning to renovate this house with lots of PV on the roof, and make it is independent as I can of the grid...
  3. K

    18th amd 2 question?

    Hi I am 18th edition qualified but can I issue a 18th AMD 2 certificate without taking another exam? Thanks 👍🏼
  4. B

    AC Adaptor amperage question

    This isn't really DIY as such, but I need advice regarding a replacement power adaptor for an electronic device. The device requires an adaptor rated 24V and 3.3A It has a bit of an unusual connector so it's not so easy to find but I have seen two possibilities on eBay. There's a quite...
  5. A

    Site Temps earthing question

    Hi Currently on a job at a hospital where we are installing temporary site supplies to canteen toilet block and office. The supply is Tncs from hospital but the hospital electrician and contractor doesn’t want us to install earth rods in case of services below ground and they’re not prepared to...
  6. R

    Simple Hobbyist question

    hobbyist question: If I'm running a pelton wheel generating x watts, is it enough power to pump out the same amount of water used to create current?
  7. W

    Junction Box Question

    Hi, Apologies for the basic (silly!) question, but using a maintenance free box (ashley j803) to extend a ring main circuit, in the configuration in the image attached with 4 cables (2 in, 2 out), would it not create issues having the separate 2 cables in and out, in contact with each other...
  8. F

    3 phase meter question

    Hoping to get some info on 3 phase meters. Family has a place out in the country. It needs to get the meter replaced, but seemingly it's a 3 phase meter. Scottish Power has organised this but have cancelled the job as none are available. So my question is, could the job not be done with an...
  9. K

    NICEIC assessment question

    Hi all, I have my NIC assessment on Tuesday and only job I've been able to get access to so far is a board change I've done recently as NIC only phoned me Friday to arrange. Question I have is that there’s no isolator in place at the property so wasn't sure if they'll accept a job where ive...
  10. J

    Armoured Cable Question.

    “The reason for condemning the supply to the oak building was because of the test reading it got, it was 371 ohms which made it non compliant" We need to understand in layman's terms.
  11. N

    Decommissoning Switched Fused Spur

    Extremely newbie question here. I'm looking to remove a redundant electric fireplace heater - it's wired into a switched fused spur on the wall, which won't be used again after the heater's removed. The spur is always switched off, and I don't want to remove the actual box it's housed in. Both...
  12. S

    Grid-Tie Inverter Question - Adding Solar Capacity...

    Good Morning All! Always appreciate reading the great ideas and conversations in the forums, and now actually have a chance to ask a question! We’ve got an existing PV system for our house which was installed by a local Solar company. System today looks like: 34x LG335 Panels Enphase iQ7 Micro...
  13. N

    Sub Panel Question - Panel Size/Breaker Size

    I am looking to add an 80 amp sub panel for my detached wood shop. The smallest sub panel I can find has a 100 amp main breaker in the panel. Would it be ok to use this panel, and just connect to an 80 amp breaker in the main panel? Thank you!
  14. itln_boysparks

    AC Motors & Transformers Question

    Hey guys, First time user here. 2nd year electrical apprentice down under! Need help and guidance with a question i've been tasked with here. Don't neccersarily need the answer to the question but any guidance into it would be helpful. Question is 'You have a three phase induction motor (415V)...
  15. T

    Question about T&E and spotlights in my new build house.

    Hi, So I've just started to install some spotlights in a room in my house, and I always thought to use 1.5mm T&E so I've wired them all up and I've come to connect the main line in and noticed that it is 1.0 T&E. Am I okay to link the main line to my daisy chained spots on 1.5. Some more...
  16. Pretty Mouth

    Caravan diversity question

    What allowance for diversity, if any, would you apply to caravan hookup sockets? The circuit will have just one hookup point, with two 16A sockets. It's a fair distance from the CU, so voltage drop is going to be significant. It would be good to keep the cable CSA down if feasible.
  17. B

    A newbie basic (and probably stupid) question!

    Hi. I'm completely new to solar but am getting a system for my house with solar panels, an inverter and battery and, of course, will still have a mains supply from the grid. I aim to provide my electricity needs as much as possible from the solar and from the battery (charged from the solar or...
  18. K

    Question about Zs and PSCC needs some clarification thanks

    Hi everyone Recently I have come across an advert of someone selling Afdds C type and the person mentioned the need to sell because Zs was too high so he was considering changing the circuit breaker back to B type as it allows enough Zs to meet the regulations. As Afdds is also combination of...
  19. P

    USA Old school type (horizontal) QOT2020 breaker question

    What's the standard rule on the older horizontal or "side-by-side" QOT tandem breakers about which switch controls which circuit, since one of the hot wires is stacked or hidden behind the other? Thanks!
  20. M

    WECA HW Question Help

    What is the total current draw on a 120v system with recessed fluorescent luminaires rated 768W/806VA? I got the question wrong with an answer of 6.4 (768/120=6.4). The right answer was 6.7 - assuming 806/120?) Amps = watts divided by volts. What am I missing? Thanks! This is a self paced course...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc
This website was designed, optimised and is hosted by Untold Media. Operating under the name Untold Media since 2001.
Back
Top
AdBlock Detected

We get it, advertisements are annoying!

Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.

I've Disabled AdBlock