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isolator

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  1. KEV 1 N

    Lovely old Isolator found in Cellar

    Found this in the cellar of an old house in Durham... The neutral is fused so I’m guessing it’s “really old” Any body know roughly the era it would be?
  2. F

    Bathroom extract isolator

    Hey peeps, I have a movement sensor in my en suite which turns on the extract fan. Trouble is, it's been installed so that it only triggers the fan when the light switch is on. I want to rewire it so that the fan comes on irrespective of whether the light is on or off (but obviously still...
  3. Ian1981

    Mccb used as main switch isolator

    A question regarding the use of a mccb as a 3 phase main isolation switch to a DB. Is it a necessity? Current set up is I have a 3 phase 70mm supply feeding a DB. The origin of this supply is unknown, hence I’m getting northern power out to investigate as the main cut out earthing arrangement...
  4. B

    Remote Isolator On Locked Disboard/CU

    Afternoon All, Maybe an odd question. For the last 8 years I've been in this industry I have always fitted single and 3 phase disboard/CU's with locks and no remote isolator other than on a locked main panel. I'm on a new job where we are using a mix of Siemens 3 phase boards and Crabtree...
  5. M

    New fan isolator switch - different markings

    Just joined for help - hello all :) I am NOT an electrician, but I am able to switch off the supply to change light switches and plug whatever was in L1, L2 or Common into the new switch. I bought a new chrome fan isolator switch today to replace a nasty plastic one however, and the markings...
  6. J

    X3 isolator switches blown for zip inline water heater

    Hi, Got sent to a job today at student halls of residence. They have had 3 45 amp isolator switches blow in the last month for the zip inline water heater. As shown in pictures, the water heater is being fed by a B40MCB and then in to a 45 amp isolation point above the door, then to the heater...
  7. P

    Mains isolator query

    A fellow electrician wants to install a 100A isolator switch between the meter and cu. Is it correct that this also has to be metal as per 3rd ammendment. The wylex rec2 is plastic so does it need to be changed. Of you could share your expertise please.
  8. T

    DP Isolator - How much???!!!

    Just been quoted £167 + VAT for installation of a DP Isolator (by Western Power Distribution) on a domestic property I've been asked to work on! I generally like to do things "by the book", i.e. I'm not a fuse puller....but at this price I might just change my mind. I assume the lady I spoke...
  9. J

    Brand new still boxed SCHNEIDER 315a SWITCH FUSE ISOLATOR AND EXTENTION B

    Hi guys Had a touch on a recent install wholesalers cocked up and I’m now in possession of a brand new silk boxed SCHENIDER 315a switch fuse and an extension box to suit also shneider free delivery or collection southampton looking for £1300 the trade price is just shy of 2k so a steal
  10. bigspark17

    Range cooker isolator.

    hi. I have a range electric oven rated at 11.1kw so am running 16mm t&e due to distance & would like opinions on what isolators i could fit. The flex on the range is 10mm 3c so need a large enough isolator to take these comductors. Also positioning of the isolator?
  11. I

    Electrician Jobs Oven switch isolator is missing, C2 on EICR

    Hi All, I'm doing remedial work for one property following unsatisfactory EICR to rectify C2 issues. I'm slightly amused by some quotes left on the report by another electrician. Here it is "No accesible isolator switch for oven" C2 I had a look and found that the oven is 13a rated...
  12. Sparky10

    Main Fused Switch isolator

    Came across this on an install today and wondering if its correct, Main Fuse was 100A, cables going into a meter then from a meter into a 63A switched fused isolator, Then 16mm Armoured from isolator into fuse board about 15m away. now i'm confused as to why its 100A Main fuse - 63A isolator...
  13. S

    1ph DB Piggy backed off 3ph DB Before Isolator. - EICR

    Hi Guys, This is the second time I've come across this on an EICR, but with slightly different circumstances. It has made me ponder if my previous code, and if my current idea for coding is correct or not. Basically someone has bodged an extra single phase supply off the incomer side of a 3...
  14. F

    32A commando socket without isolator

    Any issues with installing one of these without an isolator? The D.B is about 3 meters away and the commando socket will be mounted under a kitchen worktop for a coffee machine and there isn't enough room for an isolator.
  15. S

    16mm SWA tails maybe 9 mtrs from isolator on a 100a supply, and other concerns - EICR opinions

    This has come up many times before and after a couple of hours reading previous posts I'm no closer to deciding on a code, note or nothing at all. BS7671 allows 16mm tails on 100A fuse if demand is less than the cables CCC, I have 16mm at 94amps and the max demand is 60a. From a previous post...
  16. J

    Is a Fan isolator required

    Hi guys you've likely had this asked a lot on here. I have been asked to fit a extract fan wi timer in a bathroom for a friend, i have told him he should get a fan isolator but is adamant he does not want one for some reason (for all it would cost). Is it still ok and safe for it to come on with...
  17. R

    Bno Supply - Isolator

    Hi, I am quoting the switchgear for a BNO install. I have only worked on MEM (Glasgow) isolators but was looking at the contactum TPN 200amp isolator as another option. I need some advice, if I should stick with the MEM. I will be terminating 95mm in the isolator after the UKPN cutout.
  18. Andy78

    Isolator when inverter is remote from consumer unit

    I have never done PV but a customer has had a system installed and has a few issues with it, most of which are being sorted out. I have a question, should an isolator be positioned next to the CU when the inverter is in the loft ? I have never seen one without, and had advice from other...
  19. R

    Fan isolator in separate room.

    Been to look at job today to wire lights and a fan in three separate shower cubicles on a campsite. Each of the cubicles will have a separate internal shower enclosure, toilet and hand basin. The lights/fan will be controlled by pir which activates as someone enters the room. I want to fit...
  20. A

    Rotary Isolator that takes 2x16mm?

    Does anyone know of a rotary islotaor, weatherproof, that'll take 2 x 16mm incomers? I've got long runs out to parking bollards so they've had to size up the cable for volt drop. I could do it with a street light cutout but it wouldn't allow them easily isolate it. Many thanks for any help.

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