help please

help please

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  1. D

    Hello and help please with LED strips

    Hello to everyone here, My name is George and the need to find a solution to my LED strip lights brought me here. The only knowledge I had regarding LED lights is simply to plug in the usb in a port. This changed since I ordered from Aliexpress a DC12V WS2815 5050RGB 5m. (5m 144 IP30) To my...
  2. leven93

    UK Help please - L3 hotel design project

    Guidance please - C&G L3 electrical installation - Hotel extension project Hi folks, I am fairly new to this forum but it looks like the community are quite responsive. We have been handed a project to complete in our own time. as it’s evening college i have limited access to resources and...
  3. P

    Heating programmer help please....?

    Hi Guys Changing my heating/water programmer and im stuck on the wiring ive gone from a danfoss to a Drayton and the wiring description is different ive had a go at what I think is correct but now when the heating is on and hot water off the hot water is still calling, and when I have just hot...
  4. Screamer

    Help please 2365 question.

    Hello everyone, I will be completing my 2365 diploma level 3 soon and I have an opportunity to go and do the 2393 level 3 & 2392 level 2 as well. Would this be a waste of time and money or should I do them anyway? Kind regards.
  5. H

    Voltage drop help please

    all currently working towards my 2391 c&g I&T . I know how to calculate v.d. but the mock test I found online seems a bit out of date or I'm potentially doing something wrong. Here comes de Q. Voltage drop of a single-phase distribution circuit supplying a power distribution board in a remote...
  6. davehaynes1

    starter motor help please

    Good evening all Ive got an old truck 1990 that has always had intermittent starting issues whilst ive owned it.. As far as i am aware the battery is in good working condition. a quick run down of the problem. I turn the key to IGN and let the glows warm up, when the glow light goes out i...
  7. K

    Buying house - EICR Results Help please!

    Hi all, we are purchasing our first home and the sellers had an EICR carried out in April 2023. They have sent us a copy of the report and said that the electrician confirmed to them verbally that there is nothing technically wrong with the house and it is perfectly safe. That most houses of...
  8. H

    302 question help please

    A motor has a synchronous speed of 50rps and runs at 2850rpm when connected to a 230-volt 50Hz supply. Calculate: a) per unit slip b) percentage slip.
  9. sythai

    Crabtree Starbreaker - help please

    Hi Guys Forget to take cover off on last visit, back there Tue and need to sort some RCD protection. Will this rcbo fit in this 'older starbreaker' DB ? couple pics attached Thanks Sy
  10. J

    Garage extra internal and external sockets help please

    Howdy, I'm looking for help with my plan to install an extra internal double socket and an external double waterproof socket to my garage. I believe its a radial circuit at the moment, with mains electrical supply coming from the house to a fused circuit board, 30A fuse to current double...
  11. T

    2365/615 Question 5 Help please

    I'm just wondering if anyone can point me in the right direction with this question I'm struggling to work it out.
  12. A

    Galv conduit help please

    Good evening everyone Can any help or give me some advice please on measuring bending galv conduit. My question is bending long 3m lengths. Say for example you need to bend a full length. 400 mm to back of bend. If you insert measured end first into the former obviously you can bend it to 90...
  13. B

    help on cable calcs power

    not to sure on how to find the wats for the power cable calcs could anyone help me its for a ring with 3 Dubble sockets on DB05-3L2 cable size: 2.5mm temperature rating:90°c total demand 32a 29.125m Design current w/230 lb= 0.547A Ambient factors 1 cable Ca=0.91 Cg=1.0 It=design...
  14. D

    Help Please with PV/AC

    I have existing AC cable running from my garage to house which is 10m away, can I use this if I have Solar PV and inverter installed in garage
  15. D

    Power calculations help please?

    Hi All, First of all apologies for the potentially novice sounding question believe it or not I’ve been a qualified electrician for 10 years but I’ve always worked cards in so calculations have not been something I’ve ever considered I just install the sizes on the spec however I now have to...
  16. A

    Shaver socket in cabinet not accepting toothbrush? Help please

    Good afternoon I have recently had a bathroom makeover and had the existing shaver socket removed as I purchased a cabinet with socket enclosed. However, my oral b toothbrush 2 pin doesn't fit into thr 230v 2 pin socket in the cabinet whereas i had no issues with the previous socket.. I'm not...
  17. W

    What is this? Help please

    Hello everyone, I'm not sure I'm in the right place but I was wondering if anyone knew what that thing was (see picture)? It's on the wall above my immersion boiler and is connected only to a thermostat (but is not connected directly to the boiler). I'm a renter and never noticed it before and...
  18. A

    What can I do to get hot water?

    We have a tribune water cyclinder powered by an old version of the horstmann electronic 7. We haven’t had hot water for a day or so now and wondering what I can do? There are 2 electrical inputs to the cyclinder and the lights on the socket are usually off. I pressed boost and I saw one of...
  19. N

    Turning 2 hallway lights into 2 spot lights, not working :( Help Please

    Hi, I have 2 hallway lights that switch on together (used to before I got my hands on them). I am trying to install 2 spot lights. I have added pics of my wiring, which does not work. Pic1 light switches on but wont switch off, Pic2 light wont switch on. Some wires have coloured tape so I have...
  20. N

    Marquee power help please!

    Hi there, I’ve hired a marquee for an event next month but am a bit lost on how to power it. There are 2 sockets 50 metres from the marquee and 2 sockets 80 metres from the marquee. We also have a 10kva generator, which provides over 7kva of continuous power and has 7 sockets. We need to power...

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