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isolation

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  1. S

    Double pole switch a must for storage water heater?

    From a regulations standpoint, is it a must to use a double pole switch for storage water heater? I don't seem to find it worded as such in the BS standards. The reason I am asking is I want to replace my current double pole switch with a run back timer from CP Electronics. This run back timer...
  2. 2

    What PIR do you give appliances with no Isolation switches

    Hi guys, Just curious to see what P.I.R code other people would give kitchen appliances with inaccessible plugs that have no means of isolation. I came across a cooker, dishwasher, washing machine and bathroom extractor fan yesterday and C2'd it. I notice on the electrical safety first...
  3. D

    Socket & See tester

    Evening, I use a Socket & See tester instrument to provide a means of confirming safe isolation before working on boilers. Can anyone explain why I am required to press the touch pad at the bottom of the test instrument in order for it to perform a polarity test? I understand what polarity...
  4. gazdkw82

    Official safe isolation procedure

    I'm making some flash cards for revision and I'm doing a flash card on the safe isolation procedure. can you tell me if this is correct 1. Seek permission to isolate and carry out work 2. locate and identify known sources of supply 3. Identify means of isolation 4. Isolate, remove fuse/lock...
  5. charlie76

    Bathroom Extract Fan Isolation

    A customer of mine wants a bathroom fan installing but on its own pull cord so they can control when it is on and off. No run on time required just on and off. Is it ok to come straight off the lighting circuit in the bathroom and use the pull cord as the means of isolation for the fan?
  6. Hellmooth

    NIC assessment this week.....

    Hi guys, got my assessment on Thursday, was wondering how stringent they are on safe isolation etc, do they want the board turned off before opening etc, and I take it I'll need to lock off all the time, I never do it if I'm in a house on my own, and I will be for my 3 jobs! Proving unit every...
  7. S

    Safe Isolation of CU fed by PV.

    Hi, A really simple question, so please go easy on me!! I've been asked to do a CU change on a domestic property which has PV panels installed. What I want to know is how to confirm safe Isolation of the PV and any testing that maybe required for the EIC. Obviously I can check 240v AC...
  8. V

    Safe isolation?

  9. M

    Wiring to kitchen island with means of isolation

    Hello I'm after so ideas of the best way to supply a kitchen island. orginally I was told the island had a 13amp pop up socket and also LED lights around the plinth so was going to put a switch fuse on the kitchen wall with a 2.5 cable feeding a double socket in the cupboard of the island...
  10. G

    Neutral isolation for TT supply

    Where is neutral isolation required for a TT supply? The way I read it, I need to have isolation on each individual MCB, or does my main DP incomer take care of this? Isolation of the neutral conductor - Electrical Installation Guide
  11. Soulsurfer

    Isolation for under worktop appliances ?

    Hey all, Quick ask, Client has say larder fridge or dishwasher under worktop in kitchen or in unit. Do you fit a d.p. switch or sfcu above worktop on wall to isolate without needing to pull out appliance ? or is it to belt & braces ? I thought that it was regs or OSG listed but not sure. I've...
  12. N

    Safe isolation of individual RCD protected circuits

    is it impossible on RCD protected circuits ? Reason I ask. I was doing some minor work in my house, spur off ring final. Turned off applicable MCB, checked at the socket with the voltage tester, no voltage. Soon as I started conecting the spur the rcd tripped. I guess this is normal, how do...
  13. J

    NICEIC Certification Scheme safe isolation- the niceic way!

    niceic initial assessment tomorrow! woop woop Seek permission to isolate isolate, locked off with signage- keep key on you prove my gs38 approved voltage indicators on a known source (will use supply side of main switch?) test between L-N,L-E,N-E for voltage re-prove voltage indicator on known...
  14. M

    Kitchen Extractor Hood Isolation Location?

    Hi all, I know that cooker/hob isolators need to be within 2m of the appliance but what about extractor hoods? I was planning on having a flex outlet plate behind the ducting housing so it's out of sight and then having a FCU to isolate. Does the FCU have to be in the kitchen or can it...
  15. mattg4321

    Any experience with Dimplex pilot wire? (isolation)

    Hi guys, As title, does anyone have experience installing dimplex panel heaters with control by DXRXPW4 4 zone controller? It seems the pilot wire is 230v but I'm not sure how this should be isolated. Lets say you have 6 2kw heaters all on their own MCB. If you then supply the controller via a...
  16. N

    Cooker Isolation?

    Right, here comes a debate lol [emoji16] I believe a cooker isolator should be accessible within 2 metres of the cooker for emergency isolation. However, if the client does not want a cooker isolator in there "fancy new kitchen," can it be placed elsewhere, (eg. on the other side of the wall...
  17. G

    Electric shower isolation

    I'm going to a job tomorrow to fit an 7.5 kW electric shower. One of the boys on the job has ran the cable from the board straight to the shower and connected in to the board ( board is dead ) but all the plastering and wet wall etc has been done so it's just a case of connecting not the shower...
  18. T

    Control Panel Isolation question

    :banghead:Hi all Just a question on isolation on a control panel which has contactor and overload set up for a small pump. When the main isolator is off parts of the auxilary side of the overload was found to be still live from another source. Would this be covered by BS7671 or are there...
  19. T

    Any ideas for 3 phase supply?

    Hi ive come to a job where it's got a single phase board and I need to change it to a 3 phase board due to new equipment going in. ive gone back to the meter where the main control panel is that distributes supply's off to the sub boards and there is no spare ways for me to run a new supply. Any...
  20. S

    Safe isolation ---- 3ph

    HI ALL! we are just touching on the subject of 3ph safe isolation at college, is there a print up / out for this, i have found a few but there is some deviation on them,...thought this would be the best place to ask sorry if its been done before, I had a quick look, but did not spot it as...

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