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confusion

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  1. T

    Twin florescent led tubes confusion

    Good afternoon all, I have a set up of two tubes wired together so that both tubes need to be working to make it all work. They run off the old fashioned fluorescent tubes. Electro magnetic ballasts. I've bought Fusion T8 led tubes, 45mA 9w 300 900lm 4000k 04/16. These work fine. When...
  2. A

    Earth arrangements confusion

    Working on a old property in a slightly remote area installing a new circuit. When I looked at the earthing it looked like a tns but I investigated and found a old 2.5mm running towards the rod. My problem is I am getting a ze reading of 0.25 ohms. Ino we had a really heavy down poor the...
  3. G

    Solar Array confusion

    Hi guys I have connected 8 x 250 watt 35 v solar panels in series to connect to an enfinity 2kw inverter. The open voltage I get from the array at the dc isolator is 220vdc or so, but when testing at the dc inverter terminals I am only getting around 68vdc. I have had the inverter (enfinity)...
  4. S

    Heating system confusion!!

    Ok here goes! I'm about to start a heating system for someone, more as a favour than anything else! There are no wiring diagrams as plumbers have designed system themselves. Basically what there is is an external oil boiler, a cylinder & a manifold for underfloor heating. Two motorized valves...
  5. gazdkw82

    Multimeter confusion Safe isolation

    Was testing voltage for safe isolation on my multimeter today as I left my fluke t90 at home, however something strange happened. I put the multimeter on voltage ac and then measured between earth then line, it sparked and tripped the RCD. I can only think iv done something silly and wrong...
  6. D

    Ceiling Wiring Confusion (4 wires)

    Hello forum, I'm stumped about how to correctly and safely wire up a new light fitting and stupidly didn't take a picture of the existing ceiling rose set up before removing it. I was wondering if someone here could help me out! I've attached a picture of the four wires that are coming out of...
  7. gazdkw82

    Led g9 confusion

    It's a mindfield trying to find qualify LED G9's We have 2 light fittings with 5 g9's in each and they are the last fittings in our home which isn't LED. They are currently operates via a wall dimmer so it seems I'll probably encounter some issues there. Do any of you have any suggestions...
  8. gazdkw82

    Power factor confusion

    I'm really struggling to get my head around power factor. I understand there is true power (kW)/apparent power (kva) and reactive power (kvar) however I'm struggling with knowing how to work out say KW if I have KVA/KVAr and vice versa etc I'm currently doing a lot of mock exams (202) preparing...
  9. A

    ryefield board confusion

    i am only a second year apprentice so please bear this in mind if this question comes across as stupid.. i am currently working on a site where one property (old pub) is being converted into 8 seperate flats, and at the minute we are working on the power distrobution to each individual flat...
  10. C

    Confusion After Installing New Bathroom Extractor

    Hi Guys I am in need of some help. i have just installed a new bathroom extractor. Since the installation, the following happens: isolator in off position turns the light on and off as usual - extractor fan not working as expected isolator turned on, causes the bathroom light to turn on and...
  11. C

    Part p confusion

    Hey Today I passed my 17th edition with the hope to start up my own business and after reading into part p got myself very confused. If I pay for a part p training courses would I still need to pay the £500 to niccela or other part p providers?
  12. H

    Dimmer confusion

    Apologies for what I am sure will turn out to be a noob error/misunderstanding, but I've done all the tests I can think of and cant make sense of what I'm seeing... Basically I have a 3 lighting zones (13x GU10 downlights in total), each using one of the standard 2way dimmers that make up a 3...
  13. T

    Sky confusion?

    afternoon gents, long time since my last post but hopefully someone can help me out? Got a question for you guys as I can't get hold of sky at all! I'm a spark and I'm wiring a house for a customer and I'm running all the sky cables (shotgun Webro) but I don't know weather to run them all to...
  14. T

    Simmersat connection confusion

    Hi sparks, I wish to replace a faulty simmerstat on a Tricity hob and have no clear idea of what goes where as the new S/S comes with poor instructions which do not compare with the connections on the switch and are not marked the same as the old one. From looking on the net, I see various...
  15. P

    Part P , DIYers and confusion

    First things first so we can get the abuse out of the way, I am one of them horrible DIY people. The only thing I have in my defence is 2 years at college doing C&G Installation and an " interest " in electrics. I bottled doing it for a living as it seemed like hard work to me, I did back in the...
  16. W

    Step up transformer confusion

    Hey guys, I am pretty new to this field. We have a underground armored cable laid out for around 1.5KM -2KM from the plant(Power room) to a river pond. The job of the river pump is to pump water to our plant. There are two pumps rated around 60HP each. Only, one will be run at any time. The...
  17. A

    UTR Confusion

    Hey Guys my name is Lee Kerr have recently returned to Uk from australia after a few months ball ache i am about to start work for a friend of mine who has lots of work coming on i met him today asked a few questions and he's told me to get a UTR number does anyone know how i would go about...
  18. J

    Confusion between RECC and MCS regarding sub contracting?

    Simple question, can an MCS company use non-MCS subbies and I get two different responses: Any views on the forum about this? From MCS via email: "Thank you for your enquiry. If a MCS certified company contracts another company ("Company B") to install the electronics, the company ("Company...
  19. P

    initial verification confusion

    Hi guys. Looking for some advice. Many thanks in advance. during initial verification am i right in thinking that you follow the exact test procedure as stated in the regs no deviation from that list whatsoever like you can with a periodic. And with inspection again you inspect everything during...
  20. S

    City and guilds confusion

    I'm looking to do my 2391 test and inspection course and after searching on the internet for courses I have found that it no longer exists and Is now 2394&2395 is this new qualification regarded as the same stature as the 2391 ? It also seems more expensive ?

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