circuits

  1. J

    Best way to add Garage circuits

    Hi, I am a keen DIYer (dangerous phrase - I know) but will NOT be doing this work myself and will be getting a local sparky (Part P etc) in. However I'd like some advice as I want to check its the best way of doing things. I have a Tenby split load Consumer Unit (circa 2005) in the Garage with...
  2. Paul Langham

    Wiring 2 lighting circuits using one 6 terminal junction box

    Hi there, my name is Paul and I'm currently studying towards a city and guilds level 2 electrical installation, we are currently on lighting circuits for our practical, we have been given a task to wire up 2 lighting circuits using a 6 terminal hager junction box, I'm ok with wiring one circuit...
  3. 7

    Cooker circuit options

    Just finishing a rewire, customer not sure on hob and cooker at design stage so I went for 2 circuits with 6mm withe 2 32amp rcbo's. Hob and cooker 5 meters apart. Now induction hob and oven have arrived onsite and both suggest a 13amp supply is suffice. Should I downgrade the rcbo's to...
  4. S

    Two 'Circuits' in one MCB

    Can't find the recent thread about this, but I've been looking at smoke detectors and got this from AICO under System Installation: "• The supply for the mains powered alarms shall be taken from an electrically protected, regularly used local lighting circuit at the nearest source except for...
  5. cprfenom

    2 external lighting circuits fed through 1 SWA cable

    Evening, Although I cannot see a specific regulation can anyone come up with a reason why someone could not run 2 line and 2 neutrals with both circuits fed from the steel wire? To verify this would feed 2 number lighting circuits down one path, but I.e 1No 5 core swa. From a cost point of...
  6. A

    Rewire and circuits advice

    hi guys I’m a qualified industrial electrician so I am competent working domestically however don’t have the official quals etc. I’ve Recently bought my first house and if there was ever a time to do a rewire now is the time as the whole house requires decoration etc and I’m thinking of...
  7. Dengar

    Contactor issues on ceiling heater circuits

    Hi I looked at a contactor schneider ict 4 pole 400v 25a. The fault was a loud knocking noise coming from the electricial riser cupboard. I suspected one of the contactors was pulling in and out rapidly (this known as chattering?) I am hoping you can point me in a direction as I'm not...
  8. M

    Similar places in two circuits causing trip

    I have two line wires coming out of the top of the 'Sockets' B32 MCB. One of those line wires connects to 3 sockets in the bedroom and the other wire connects to 5 sockets in the living room. Each socket takes two line wires, one to power the socket and the other to pass the current onto the...
  9. HappyHippyDad

    Outside light fed from 2 circuits

    I went to a small job today to change a sensor for an outside light. I expected it to be straight forward. I started by isolating the supply, which ended up taking longer than expected as it needed 2 circuit breakers to be off in order to isolate it. I explained that i would need to remedy...
  10. G

    Outdoor Heating, Blind Motors, New Circuits - Brain hurts!

    So, with the house job nearly completed, the wife wants some outside heating and the blind man needs to connect his motors for the new outside blinds coming... HEATER She’s found a 2kw infra red heater that, while I’m not keen on trailing cables on the deck will probably do the job if it’s...
  11. FatAlan

    Dimmers on two way switched lighting circuits?

    I've installed a number of dimmable LED downlights switched two ways. They're switched by one dimmer and a standard rocker. When they are switched on with the dimmer the lights operate normally and can be dimmed however they seem to override the other switch which will not switch the lights off...
  12. M

    Swa 4core cable used as two 2core circuits

    Working on a job have found a 4core cable going into a weather proof box and splitting up into 2 circuits again at the board it split in two single phase MCB s . My question is would you judge the current carring capacity of the cable as a two wire or four wire
  13. Baddegg

    No pics sorry............

    Went to view a kitchen refit this week, new kitchen and new rfc circuit dedicated to the kitchen, have a look at the CU and whilst inspecting I see that the 2 lighting circuits, up & down, are both wired with the same 1mm 3&E cable (pre 2005 cable) Red as line to down mcb, yellow to up mcb...
  14. Marcus Vaughan

    Calculating Voltage Drop On Lighting Circuits

    Hello All, I should know this and have been avoiding asking but just want to be sure. So I am designing a downstairs lighting circuit for a domestic refurb/rewire. I reckon max demand will never hit 3 amps. So using the basic formula for voltage drop - (tabulated value x design current x...
  15. S

    Adding new circuits to all insulated consumer units

    hi guys, Is it still ok to add a new circuit to an all insulated consumer unit in a domestic dwelling. I only ask as my previous employer always changed consumer units for metal when adding a circuit. I know this is probably a stupid question. Thanks for replies
  16. J

    Oven and cooker circuits

    Hi i have a double oven which is 5.8kw and induction hob which is 7.4kw there currently isnt a cooker circuit in the house but there is 2 spaces in the CU so am I correct in thinking I can put 2x32A breakers in and run 6mm cable to both .
  17. Marshall Kidd

    Splitting 3-phase circuits for 3 high draw theater fixtures.

    Hello. I'm new here so my apologies if this post ended up in the wrong forum. I have a basic understanding of phases and voltage and the lot. Today I'm trying to wrap my head around how I might be able to split one 3-phase 240v 50a source to accommodate 3 high draw theater fixtures. Here's...
  18. Gary Tollison

    Lighting circuits and possible cross-over

    Hello. I have a possible issue with the lighting circuits in my house. There are two lighting CCTs: Dropbox - 01.JPG - https://www.dropbox.com/s/ike2aygjja64pfm/01.JPG?dl=0 1 LIGHTS supplies: Lounge Kitchen Downstairs toilet 2 LIGHTS spplies: Hall Upstairs landing Upstairs bedroom Upstairs...
  19. T

    When old phase colours are used in socket circuits...

    Just finished work (10 pm) was wiring in a socket or two. As it was late had to keep me marbles about me! Strange feeling connecting blue into live.
    • The Ghost
    • Thread
    • circuits colours old phase socket
    • Replies: 38
    • Forum: UK Electrical Forum
  20. D

    Two socket circuits not allowing RCD reset

    hi folks, Been asked to go look at a job tomorrow as his RCD is not resetting - customer sent me some details and from what I can determine is this.... It’s only socket circuits that are on the RCD side of the board. The downstairs socket circuit and the kitchen socket circuit are both off -...

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