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  1. S

    whats the requirement on cable tray going in riser cupboards

    Hi Guys I have a block of 9 flats 3 floors ,ground ,1st & 2nd.6" cable tray going from top to bottom x2 .LV and HV.The contracts manager is insisting on the tray stopping between floors and a 4" pipe with a fire collar around it to go through the flooor.Is this correct. Please help!!!!
  2. A

    UPS protection

    Hi everyone, would be great if you can share your experience on type of protection devices recommended on UPS system feeder/upstream? as you know, in some type of critical installations such as hospitals, bank servers,..etc, the client does not want to see UPS loads gets cuts off in no...
  3. RutlandFox

    Professional Domestic, Commercial, Industrial Electricians Staffordshire - Fox and Fox Electrics

    RutlandFox submitted a new resource: Fox and Fox Electrics - Domestic industrial and commercial electricians. NAPIT registered. Read more about this resource...
  4. Darren Evans

    Buzzing dimmer and LED lamps

    Morning chaps! Advice needed please. Is there a tried and tested combination of manufacturer(s) for reducing the annoying buzz from dimmer connected (dimmable!) LED lamps? In the particular example I am having right now, I have 5 lamps on one dimmer switch, 3x ES and 2x SES. One or more of...
  5. S

    Winning commercial work

    Guidance on how to win more commercial work. We are a small electrical contracting firm Who have a lot of domestic contracts that serve us well. We are looking to gain more commercial work in the following areas:- hotels, gyms, public sector organisations. We are aiming at local medium sized...
  6. T

    Installation method

    So, we’re creating office space out of 2 classrooms. Metal stud wall will be put up, grid ceiling everywhere. We’ve had a price by one firm. I think it’ll be twin and earth lashed in in the ceiling void based on the price (although i haven’t seen spec yet). Given a job like this, would you find...
  7. M

    Shower Wiring in Granny Annexe

    Hi All, I am Faraz, I'm a Mechanical Project Engineer by trade. This is my first post on these forums. I am looking for some insight into a problem I'm having. I currently have a 6mm Cable running from the main RCD to a 9.8kW shower in a Granny Annexe. the wire currently runs about 25m long...
  8. S

    Tips on getting cable through kopex

    Hi guys does anyone have any tips for getting a 40-50m length of 10mm earthing conductor through a run of 20mm Kopex? Many Thanks
  9. T

    UK Anyone from the north east interested in giving a price?

    We’re looking to be creating office space soon which will require a rewire, but I’m just absolutely swamped. Anyone from the north east interested in giving us a price for the works?
  10. S

    Technical advice required - metal socket or plastic? / Trunking?

    Hi all Recently my company (I'm just an employee) moved into a new unit and have installed some shelving, the BigDug kind. We've had plug sockets located above (2) each unit to provide power. This was done by the electrician so that's all good. I need a plug socket on each shelf (5 in total)...
  11. P

    Supply to apartments

    Hi all, Seeking some general advice. I’m planning to split a property in 5 apartments with their own fuseboxes and supply meters. However if i chose to revert the property back to run off one meter what would be the best way of doing this? I was thinking a main distribution box that supplies...
  12. G

    3 phase shared supply

    Hi all, Im looking for advice about a 3 phase supply. I have such a supply on my property but 2 of those phases are used by adjoining properties that are not mine. Firstly is this "normal"? Secondly is it possible for an increased power load supply in this case? I have contacted northern power...
  13. D

    UK hmo wiring advice

    Hi My mate has purchased a house which is being converted into multiple occupancy (8 rooms). Unfortunately the spark passed away halfway through the job. each room has been fitted with a 2 way CU with 16a+6 breaker fed via a 4mm cable. He installed double stacked hager board with 2 main 100a...
  14. B

    5 core SWA 120mm pvc cable

    Hello all So Im doing the groundwork to install a electrical kiosk and lay 250m approx. of cable to live up an off grid property. I am not an electrician i am only doing the hole digging and slab making for the kiosk - I will not be wiring anything in - not my thing :) a qualified company...
  15. T

    UK New Lathe in the Workshop

    Over the summer we had some single phase workshop gear removed, and in it's place was delivered a second-hand 3-phase lathe. At first I was going to drop in a new circuit, as naturally, the single-phase circuit that exists is useless. However, this new lathe is going right next to another lathe...
  16. U

    Buck or boost for car lift

    I'm looking for help on fixing a car lift for a customer. He bought a used lift that calls for 30 amps at 230 volts but his building only has 120/208 voltage. Should he have the motor changed out or should I boost the voltage somehow? And what would I need.
  17. ccudal

    Access Path of more than 100 feet high building

    Hi, this is from NYC fire code. does anyone knows if there's a code for building more than 100 feet. Thanks " 504.4 Rooftop Access and Obstructions The rooftops of buildings 100 feet (30 480 mm) or less in height, except rooftops with a slope exceeding 20 degrees (0.35 rad) from the...
  18. kenny maccuish

    Found during fault finding

    Hi guys just wanted to ask if there are any Irish electricians here that can tell me whether these examples of making off SWA are accepted in Ireland. Just had to fault find a light not working in a garden and opened up a couple of manholes to find PVC 4x4 waterproof boxes with SWA going into...
  19. J

    3 phase supply

    Next month i will be working on a farm putting a new 3phase board in to supply welders, plasma cutters etc. 3 phase comes into electric shed (Tnc-s) and then supply into barn comes from 80A 3ph MCB with a 300 ma trip upfront. Supply enters barn and goes into an existing board with the earth path...
  20. B

    Electric Gate - have it open ready as you arrive

    Hello all - I would really appreciate some advice please. I am conducting the groundworks to install a 6m opening "Hi Motion" sliding cantilever electric gate (9m length in total). I have to commission an electrician to make it all happen but the client has asked for a cabled means to have the...

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