isolator

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  1. S

    SWA Cable for run between switched fuse isolator and consumer unit

    Hi all, I am looking to replace an existing CU (ground floor) and put it in a new position (first floor). The existing CU is on the inside of a wall to the meter cabinet (which is on the other - external - side of the wall). The existing cabling between these two devices is not SWA/armoured...
  2. S

    DC isolator arcing when turned off

    At work we've got an 8 panel single string set up, going into a 3000w inverter via a double pole DC isolator. The AC goes supply > isolator > meter > inverter. Obviously the DC usually comes from the roof, into the DC isolator, into the inverter where it's converted to AC which then goes back...
  3. J

    325A MEM stuck Isolator

    Hi Did some small works recently on a farm building, and the origin of the suppky is via the TPN isolator in the video. But it wont budge. Any advice please? I am extending the lever all the way out and then pulling down. I did not want to force it in case i broke sonething. It is the feed...
  4. M-B-Electrical-Services

    Odd cooker isolator position

    Hi all. Just finished a domestic EICR where I found the cooker isolator to be smack bang in the middle of the actual cooker position. The oven had a glass lid which, when lowered, automatically isolated the supply to the hobs. I have noted it down as C3 due to the existing cooker lid covering...
  5. L

    Which DP 100amp isolator is good

    Anything better than these ?? https://www.screwfix.com/p/wylex-100a-dp-isolator-with-enclosure/321FR?tc=TT3&ds_kid=92700055281954493&ds_rl=1249401&gclid=Cj0KCQjw37iTBhCWARIsACBt1IzKLrO9guBmyJpLxiNL7yl8XeNfdpz6YkfyWUpRQdvOtIKOG_ybKrMaApKgEALw_wcB&gclsrc=aw.ds
  6. The apprentice

    TPN Isolator testing

    Hi there thanks in advance for the help iam still learning but soon to sit my trade test, on the booth picture number four is a TPN isolator I have to chose the correct fuses but on the testing this piece of equipment R1 R2 3 phases to earth record highest reading at end point I don’t need to...
  7. H

    Multiple circuits passing through an AC isolator

    Multiple circuits passing through an AC isolator what code is this on a U.K E.I.C.R?
  8. W

    Outdoor 32 amp isolator with Aux contact block

    Hello, I am looking for some recommendations for external motor isolators with Aux contact block. Ideally large enough to gland 3 cables at the bottom, most likely 3x M20. possibly 2x M25 1x M20 for a few. I have taken over maintenance on a site and most isolators are unserviceable and will need...
  9. Raptor0014

    Advice regarding isolator for 3ph TT system

    Morning all, I’m scratching my head with this and granted I don’t do a lot of commercial work. Hence I thought I’d ask. Setup is a pub with a 3ph supply and it’s TT So it goes Incoming head - 3 x 100a cutout Meter 3 pole isolator for L1, L2 & L3 L1 to single phase into plastic DB L2 to...
  10. A

    Isolator vs Transfer Switch for generator (or both)

    This is an elaboration of a previous question. It is my intention to have a smart meter installed and an isolation switch at the same time. Just waiting on a date. However, given three days of storm power cuts I am now also thinking of adding a transfer switch so that my 8Kw petrol...
  11. E

    Rotary Isolator with enough space

    Hi i have a hot tub job coming up and will need a rotary isolator. I need to bring two 6mm swa's (single phase) into its base and will use pirahhna earth nuts. I know these isolators dont have much room inside em, the larger 63a units (at least the ones I can find) have 25mm knockouts so no...
  12. G

    Meter Isolator with SPD

    Hi We are looking to get an EV charger installed, and I asked for an SPD to be on the new CU that will be required for that. The electrician has suggested that instead of having an SPD in the new CU, could replace the incoming isolator in the meter cupboard with one that has an SPD incorporated...
  13. D

    3 phase isolator switch

    can I use the above isolator switch with single phase 240V wiring. live neutral and earth? its the right designed switch for me and also it is the right current rating.
  14. S

    Switched fuse isolator

    I have got to install a switched fuse isolator with 25mm tails and a 3 core 25mm armoured. Any recommendations on an isolator? Always struggle with isolators twisting and generally just not enough room.
  15. S

    Zone 2 lights and fan isolator switch

    Hi .can someone let me know if I can install a battery operated smoke alarm and also.carbon monoxide alarm.for a rental accomodation ? Would this be satisfactory ( pass a EICR ) Secondly if i have fan isolators on zone 2 in a bathroom and ensuite so they need to be waterproof Also if the...
  16. w0z

    Recall: Proteus Switchgear - 100 Amp Double Pole Isolator - which might not isolate.

    Disconnect once check twice..(or more) Found HERE at Trading Standards Risk level Serious Risk type Electric shock Risk description The fault was identified during routine installation process which includes a test. It was found that the switch did not isolate the circuit. The product does...
    • w0z
    • Thread
    • amp double isolate isolator might pole proteus recall switchgear
    • Replies: 21
    • Forum: The Electrical Exchange
  17. BiddeldyBwah

    32a three phase isolator neutral bar?

    Came across one of these today at work. Had L1 L2 L3 and switched Neutral, but also had an N link bar inside. Just wondering what it's for?
  18. Help2213

    How to get rid of an isolator switch?

    Hi, I have 3 isolator switches in my flat that appear to do nothing. Turning them on or off does not change any electrical appliance and the lights don't come on on the isolator switches. The wiring is also black in both live and neutral sockets with one green earth (see picture) which has...
  19. KeenPensioner

    Consumer Unit isolator with RCD

    I have an old CU with BS3036 rewireable fuses. I'm having the board upgraded soon but in the meantime I'd like to add RCD protection. Can anyone tell me where I can find a consumer unit isolation switch with RCD built in - to fit between the meter and the CU?
  20. C

    45 AMP DP ISOLATOR SWITCH TO IMMERSION HEATER QUERIED BY ELECTRICIAN

    Hello All, Sorry if this is a ridiculous question - as I am not an Electrician I wanted to check whether my initial thoughts were correct before answering a question from a neighbour I have been asked by a neighbour whether a 45 Amp DP switch with Neon indicator is a correct isolator switch...
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