electricians' talk

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  1. T

    Advice on Lighting Design

    Hi All I'm new to the forum, just started out on my own so thought this would be a great place to share ideas and problems :wink_smile: I've been asked to replace the lights in a sports hall which are currently 12 x 250 watt low bay fittings. The customer has asked for something brighter and...
    • thomas-1981
    • Thread
    • advice design electricians' talk lighting
    • Replies: 13
    • Forum: UK Electrical Forum
  2. G

    2 post ramp wiring 3 phase to single phase

    hi, i am in need of some advice on wiring for a 2 post ramp, the ramp is a Bradbury electro mechanical that was 3 phase i have replaced the motor with a 3kw single phase capacitor start capacitor run motor, what i need to know is can i run the motor from the original drum switch and contactors...
    • gaz-c
    • Thread
    • 3 phase contactor electricians' talk motor phase post single single phase wiring
    • Replies: 36
    • Forum: Commercial Electrical Advice
  3. J

    Solar Thermal Schematic diagram

    Hi, Does anyone have a schematic diagram of a solar thermal install that they would like to share? Thanks John
  4. Mark.W

    3ph install not reducing energy bill

    Morning guys Got a bit of a head scratcher, and was wondering if anyone has got an explanation. Basically we've got a 250kW install which went live about 3 months ago, the customer has just received his quarterly electricity bill and said he hasn't seen a reduction on it. The setup is as...
  5. C

    32A 3 phase sockets

    Hope somebody can help me. I am installing a couple of 32A 3 phase sockets in a factory unit and I am not quite sure if I need to have a local isolator for each one or if I can connect direct from the fuse board? They are located within 2 metres of the board so not sure if really needed? Any...
    • charsam
    • Thread
    • 3 phase 32a electricians' talk phase socket sockets
    • Replies: 7
    • Forum: UK Electrical Forum
  6. S

    500KVA Transformer

    I have for sale a 500KVA transformer 11,000 - 400 volt ac. The transformer is around 6 years old and tested every year we are selling due to having a new 800KVA transformer. The transformer is in use and works it will be available in January 2013 We are based junction 3 M54. We are a...
  7. TaffyDuck

    Buzzing on G4 lights

    Hi guys A bit of advice on a problem I am having. Old story of customer buying fancy trick lights from Next coupled with an intelligent dimmer switch. The problem I am having is that at any point in the dimmer cycle I am getting a buzzing sound from the lights. Both lights buzz but at slightly...
  8. J

    Provision for a Kiln

    I'm about to fit a pottery kiln which is rated at 15Kw. It's on a 240 volt supply. By my reckoning that give a current of 62.5 Amps. There is a 63 amp type B MCB in the consumer unit. There is also a 63 Amp switch on the wall fed by a 10mm square cable. Will this be enough or do I need to fir a...
  9. A

    A New Comer To This Site

    Hello Community, First of all, let me introduce myself; I am new to this forum. I want to take part in the discussions and also want to share my views and suggestion. By being here, I want to learn informative things from your site. If I had made any type of mistake, then forgive for that...
    • AnthonyMartello
    • Thread
    • electricians' talk new site plan
    • Replies: 15
    • Forum: The Welcome Forum
  10. A

    Being over cautious?

    Hello all, Posted this on the Napit forum but had no respite se despite lots of views so thought I would paste it on here. Interested in your opinions afternoon all, after some opinions on a job I have been asked to price. Spoke with another NAPIT member and to be honest not sure if we are...
  11. G

    Hi.

    Hi, i thought i would say hello before i start to post as i have been registered for a while and not posted anything yet. cheers Gaz.
  12. S

    Financial Times

    Financial Time reporting Osborne has agreed £5 billion increase in Green Subsidies up to £7.6bn from 2.6bn. How much of this is going to go to CCS I wonder
  13. M

    Kitchen Zone Ring Main

    Hi all, I would like to check something with you. My sister has purchased a 1980’s two bedroom flat in a residential development. There is a single ring main. This was modified around the year 2000 when a new kitchen was installed. 3 additional 2 gang socket outlets and a couple of fuseds pur...
  14. T

    Bakelite switches

    Hello all, Might be a silly question. But i had to give a quote for a re-wire. The owner wants to keep the original bakelite switches and i can't find any where (bs 7671 or part 'P' doc's) if i can re-wire the switches and re use them. If any one has come across this before the help would be...
  15. M

    Oh Dear

    It appears that I have been banned again from the plumbing forum with no warning or explanation from the forum administrators. Any chance of Dan, Mr Doberman or TRBod telling me why??? MM
  16. N

    borrowed neutral

    Hi guys, I was changing a emergency light today and it turns out the line and neutral were from 2 completely different d/b's, the neutral has been broke into the neutrals of the ceiling lights from a different d/b, would this be classed as a code 2 fault, thanks in advance guys
  17. N

    RCD tripping while Zs

    Hi guys, what would cause an RCD to trip when carrying out a Zs test, it is a lighting circuit in a new build house and I have it on the "no trip" setting and it still trips the RCD, the RCD itself passed the RCD tests and the IR is 800Mohms so that's fine, I even even replaced the RCD but the...
  18. P

    Why Upgrade the Tails??

    Just done a domestic CU change. The cutout was 100 Amps (used to supply Economy 7 storage heaters but no longer). Existing tails 16sqmm. Therefore need to change to 25sqmm as normal. But existing tails are routed out of the top of an external flush meter box up through the (uninsulated) wall...
    • Piratepete
    • Thread
    • electricians' talk tails upgrade
    • Replies: 3
    • Forum: UK Electrical Forum

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