isolator | Page 2

isolator

Recent contents View information Top users
  1. B

    Implications of replacing a 40A with a 125A rotary isolator.

    An isolator had heat damage and was replaced, not by me, but the new isolator is 125A instead of 40A. They found one and threw it on. I locked it off last night and today it is back on line, deemed okay to run until a replacement arrives. This is on a 20yo piece of packaging equipment. Anyone...
  2. B

    If extractor fan in bathroom is autonomous does it require isolator switch or usual fused switch

    Hi to all, If extractor fan in bathroom is autonomous does it still require isolator switch or usual fused switch will do? It runs of 12v transformer outside. Not being linked to light switch. Can be fed from either circuits.
  3. D

    Can a wireless switch be used to control flow to an isolator switch?

    Hi there, (noob DIYer here!) Recently moved in and I have an inline extractor fan in my bathroom, which goes up into a crawl space in the loft then out the back of the house. For some reason, whoever installed the isolator thought it would be a good idea to have the isolator switch up in the...
  4. T

    SPD Mains Isolator wylex/Proteus

    Hi, I was wondering if the wylex/Proteus SPD Isolators where dual isolator, they have 4 terminals at the bottom, can you use them to take 2 sets of tails of them. And what size earth should be used for the SPD when using 25mm tails and Is connecting it in parallel to the main earth correct...
  5. L

    Adding in a D/P isolator BEFORE meter ???/

    Absolute nowhere else for it to go /be fitted etc . How naughty in reality ??
  6. L

    Independent fan and isolator wiring

    Hi guys, I'm an apprentice electrician and have been doing some basic work on my bathroom with what I've picked up on site. I've split the mains supply (1.5 2-core) in a junction box and have fed the light pull cord, the mirror-light and the fan isolator pull cord. I want to power my timer...
  7. GarethB

    UK Datasheet for Chint NHB2-100UK Supply Isolator

    Hi all, working at a house where a British Gas have installed a Chint iso off their meter. The isolator is a Chint NHB2-100UK 100a unit but Google and Chint’s own website are unable to bring back a spec sheet for the switch (photo attached). Does anyone know what torque the terminals need...
  8. A

    DC isolators required between inverter and array

    Hi, would anyone know if a single dc isolator (local to the inverter) is sufficient or would an additional dc isolator be required at the panels. The situation is an installation which has the dc cables from the panels routed through the property and clipped (8-10m run). All labels including...
  9. L

    Do i need to install a DC isolator if theres already one provided on the hybrid inverter?

    Hi, I have nearly finished installing my first solar system for my brother in law. havent installed a DC isolator on the string lines (none in stock locally and didnt order ahead). The sofar inverter he bought has a rotary isolator fitted already. Can I label that isolator and be compliant...
  10. H

    Isolator for ryefield board.

    Hello, I’m about to take on a mains room for a block of flats and the DNO are giving us a supply of 259kva. Now, would I need a 200amp TP-N isolator or a 400amp TP-N isolator from the main head to the ryefield board? I am also assuming I will require a CT chamber. This is my first project of...
  11. Raptor0014

    Electric Meter Switch Isolator wiring orientation

    Having a discussion the other day with a kitchen fitter who “also does electrics” and he is adamant that a NIC contractor told him that a meter isolation switch has to have the supply go in the bottom and the load out the top, same as a MCB. This convo came about as he said the property we were...
  12. M-B-Electrical-Services

    Correct process for meter tails upgrade and isolator install

    Hi guys, I hope you're all doing ok in this heat!! I have recently carried out an EICR on a domestic property where it failed miserably. The consumer unit is an old MEM metalclad built in the 70's and requires replacement. The meter tails both on the supplier's side and consumer's side are...
  13. LewisM

    GEWiSS Isolator help...

    Hi, I'm currently testing a factory and having difficulty removing an isolator cover to test a circuit. Usually, it's just a case of switching off and removing screws however the cover doesn't seem to want to come off as if the mechanism is stuck but it definitely is working as you get a real...
  14. 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...
  15. 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...
  16. 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
  17. 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...
  18. 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?
  19. 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...
  20. 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...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top