supply

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  1. lozarus

    Providing Lighting from Motor Supply

    Apologies for the vagueness in the title. You'll have to forgive my ignorance on the below too - I'm only just touching on 'industrial' as my work is generally more ' commercial'. I'm faced with a small pump house - rainwater sumps which takes the site rainfall and pumps it out. As an aside -...
  2. Gutsy-Fungus

    Electricity DNO Supply installation outdated and UNSAFE?

    Hi folks, Moving into my new property in a couple of weeks to find a concerning electrical installation in the cubby hole underneath ther stairs. I have attached a couple of pictures of the installation. Does this main feed from the DNO (#3) look safe (left hand picture)? It is corroded and...
  3. J

    advice on power supply to outbuilding

    Hi looking for some advice I wont be doing any work a electrician will be .. I have a outbuilding being constructed and i will need a power supply I have asked for a quote and while looking for advice have been told that the person doing the quote cant be a qualified sparky from the advice given...
  4. S

    I wanna buy pc power supply from France. I am in Poland. Did power cable will be compatible to socket?

    Hello. I wanna buy new psu Seasonic PX-2200W ATX 3.1. Its new fresh product. But in my country ( POLAND ) is not in stock. I found some french shop. They can deliver to Poland. I am in Poland. Psu will be from France. Did power cable will be compatible from psu to socket ?
  5. J

    Removal electric main supply to apply a waterproof membrane then reinstalled

    Does the electric main supply need to be completely taken off to apply a waterproof membrane or can this this be painted around and still maintain the integrity of the waterproofing?
    • josephine
    • Thread
    • apply electric main removal supply supply to waterproof
    • Replies: 6
    • Forum: UK Electrical Forum
  6. M

    UK Three phase supply into single phase board

    Hi I popped round to quote for ‘ finishing ‘ a solar install started by a company rhyming with Bird of Polar . The house has a three phase supply, but it looks like someone has taken the three live tails into board not designed for three phase (albeit with a three pole switch). They’ve only...
  7. P

    Dual/Single supply Dimplex Quantum storage heaters

    I am a landlord/owner of a flat. I am just about to spur off nearby sockets to provide the additional 24hr supply to new Dimplex Quantum storage heaters. Before i do some ugly surface mounted wiring I re-checked the heater installation manual. These Quantum heaters can be wired to a single 24hr...
  8. UKMeterman

    Installer wanted to supply and fit 6 station intercom Newport South Wales

    Hi, I am looking for an installer to supply and fix a 6 station replacement voice only with trade access button in Newport South Wales.
  9. D

    Supply Isolator required to be metal on TT

    Does the Supply Isolator require to be metal on TT, is so metal could become live because before RCD
  10. woodster92

    Help with Reg 551.7.2 Ina >= In + Ig(s) on 3 Phase Supply

    Hello, I'm struggling to understand how to apply Reg 551.7.2 [in particular the formula Ina >= In + Ig(s) ] to the following situation. I hope the attached image is clear enough, it shows an existing 3 Phase Domestic supply with: A) CU1 is a single phase consumer unit serving the main house...
  11. P

    UK Have a washer and dryer with related power supply issue

    Have a washer and dryer that are plugged into separate sockets and both have 13A fusesl The electrical wiring passes through the washing machine socket and then on up to the the dryer socket above. There was no power to the dryer so I changed the fuse in the isolator and now it works fine...
  12. tony9i9i9i

    Economy 7 supply

    Hi all, as I said before I came back to the trade last year. I've been on a couple of jobs recently where the no longer used, cancelled, "cut off" Economy 7 supply was not exactly dead, in both cases testing just over 12V across the tails. Has anyone else noticed this?
  13. I

    UK Does my UPS need a dual input supply?

    Hi everyone, For a UPS serving as the secondary supply for life safety loads in a residential building (such as a fire fighting lift and sprinkler pump), would a dual input be required as shown in the photo below, or is a single feed sufficient?
  14. Tommyp100

    UK New supply to granny annex

    Hi, need more advise as getting two different views from electricians. Ty Detached double garage 10m from house, split equally into garden room and garage on 32a supply from cu in house. Looking to convert into 30m2 granny annex with small kitchen (induction hob, single oven), shower room...
  15. aesmith

    Overhead 240V Supply - How is Earthing Provided?

    Hi, Posted here as I'm not an electrician, not because it relates to anything I'm considering "Doing Myself". My late parent's house is supplied by overhead 240V, and I was puzzling over how earthing is provided. As far as I can see following cables it goes .. Two overhead cables to the house...
  16. timhoward

    Domestic supply advice

    I'd appreciate the wisdom of domestic sparks here... End terrace early 20thC house: Supply: I've not seen the likes of this before in a house and had concerns about the apparent single insulation so thought best to call DNO and check, better safe than sorry after all... At first despatch...
  17. C

    Supply question

    Hi, just looking for advice. Ive been to look at a Fire alarm install job. While checking where i will take my supply from. 3 phase sub board, i wanted to see where its supplied from and origin etc. It turns out the Electrician has wired the sub mains board from an old redudant 3 phase power...
  18. Brownie91

    Is RCD protection required on SWA supply cable to EV?

    Hi all, I am at odds on whether RCD protection is required on an SWA of 14 metres, clipped direct under flooring direct from CU to an exterior Tesla EV charger. The Tesla charger is three phase and to be a 22kw supply at 32A. TESLA SPEC: The wall charger itself features a built in RCD Type A...
  19. A

    Is it a tt supply

    Might be a silly question, but can a tt supply come into a property via underground . This property in question, has no overhead cables supplying it but looks like it might have an earth electrode somewhere. Thanks.
  20. T

    Help re new 3ph 200KVA supply CT meter provision

    Hi all, So my factory needs more power, currently 100A/3p (70KVA) => 400A/3p (200KVA) UKPN wont upgrade existing supply and are insisting on new supply, not a problem as such and is ordered. They are specifying a CT Meter will be required, again not a particular surprise. What I cannot fathom...

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