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isolation

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  1. Adam_92

    Safe isolation question? For three phase

    hi, I’m wondering if there is a safe isolation sequence obviously first steps are: Ask to isolate Lock off and put up signs keep key safe Then prove leads working on proving unit Do the 10 steps- (do you have to do these in an exact order?) some tell me no and some people say yes Back on...
  2. J

    EICR isolation & switching

    Can anyone clarify why isolation and switching are excluded from the inspection schedule on EICR model forms, but included in 'guidance for inspectors'?
  3. G

    Isolation Fault

    On submitting FIT meter readings to the electric supplier, notification was received that there was a discrepancy between the most recent readings and those previously submitted. On checking, it was found that there was a big discrepancy between the FIT meter fitted by the solar contractor (now...
  4. A

    Kitchen appliance sockets and safe zones - right or wrong?

    Hi all, I think I'm posting this in the right place - apologies if not. I'm wondering if I could ask for a bit of help here. I'm renovating a house for myself to live in, and I've spoken to an electrician this week to have it fully rewired. There appears to be a problem though with my planned...
  5. TonyJohnson

    Isolation transformer and insulation monitoring device in horse box/bar

    The regs state 717.413 a Isolation transformer and insulation monitoring device should be used. Are there any guidance notes on type or makes i should be looking for. I see you can get 230V primary 230V secondary boxes but i'm also not sure on which to get in terms of load.. I'm inspecting this...
  6. Electron

    Isolation Switches for New Consumer Unit

    I ask customers to get their electricity supplier to fit an isolation switch so that I can safely isolate the supply while I fit a new consumer unit. This must be a common request but my customers usually recieive a response as if no one has ever before asked for one. This is part of an email...
  7. Karl Atkins

    Isolation switch for rewire/new CU

    Are we required to install an isolation switch between the meter and CU when completing a full rewire and/or CU upgrade, I think it's best practise, mate's/colleagues think unnecessary, customers don't like paying for it! Opinions please
  8. B

    Shower isolation swiching

    Could any of you kind people clarify wether an isolator is required for an electric shower installation. The manufacturers drawing shows one and quotes b.s. 7671 but I can't find anything in the rest As a matter of fact I All ways fit one for safety reasons Thank you in advanced
  9. Ian1981

    Isolation for 3 phase domestic installations

    4 pole isolation for domestic 3 phase installation. Is it a requirement? Regulation 537.1.4 requires a linked switch or circuit breaker to isolate both live conductors of a single phase supply for ordinary persons of a household or similar installation.
  10. T

    Safe isolation of supply's for trade test

    Hi all. I'm currently a 4th year apprentice waiting to undertake his trade test this week. The part I am sitting is safe isolation and I was looking for some advice regarding the test. I have attached below the information I have been given. I was just wondering if somebody could confirm for me...
  11. J

    Safe isolation on lighting circuit am2

    hi everyone, When demonstrating safe isolation on the lighting circuit on am2 do you operate the switches and test each time you operate. Or, just operate the switches in every position then just test once at the 2d light fitting? Also, when commencing a ZE test would you recommend setting the...
  12. cliffed

    Main isolation by local REC

    How come us electricians have to put in metal Db’s,they come along & put in a plastic isolater,for us to connect to.
  13. Jymbob

    Isolation of lighting circuits?

    Me again, with another question which I fear will become more common as Smart Home technology becomes more popular. Lighting isolation: is it a requirement to have a switch which breaks the live circuit close to the light? Background: I've got some smart bulbs which I can turn 'on' and 'off'...
  14. J

    Am2 safe isolation advice

    Hi everyone. I am currently doing my am2. Did they safe isolation today. Not sure if I messed it up. For some reason I took the protective neutral cover off from the board then performed the 10 step isolation. I asked permission to isolate, labelled with warning signs and put key in pocket...
  15. U

    Flat communal stair lighting breaker box key

    Hi all, Does anyone know where I can find a key that would fit a lock like that shown in the attached image? This sort of 2 prong lock is on an electrical cabinet in our communal stair and houses the circuit breakers for the lights. I want to cut the relevant circuit so I can change the...
  16. S

    Trapped Key Isolation Failure

    Hi all. Can someone point me in the right direction for the current regulations on control panel isolation for machinery (industrial) if possible please? An issue arose with a machine trapped key system failing, allowing an individual to remove the key, but the machine staying live and...
  17. H

    Safe fused sour isolation palava

    hi there guys, I'm a lowly gas man but thought I would put my hand out to you helpful electricians to see if there is a better way to do the following! I work for a rather large gas service and repair company and health and safety as I'm sure you will know is going a bit bonkers at the...
  18. M

    Jet fan isolation...

    Hi guys just a quick one which has been playing on my mind. I worked for a smoke extract and ventilation contractors and have just recently left. Before my departure I was given information by way of the apprentice that the project manager wasn't putting in 3 phase isolators and just using the...
  19. S

    Bathroom extractor isolation switch/PIR

    Small job for a landlord friend of mine having problems with tenants turning off the bathroom isolation switch and causing damp to the property, Can I replace the fan isolator with a pir so if their would like to isolate the supply their would have to do it from the consumer unit any advise...
  20. Keith@SparksFly

    Is an Isolation Switch Required

    I just wanted to check with more experienced guys on the requirement for an isolation switch. I have been asked to replace a CCU and I had a quick look at the job before doing all the pre testing that is needed. There is no Isolation Switch or Henley Block, just the 16mm old colour tails coming...

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