fuses

  1. A

    Old cut out fuses

    Evening all, I am looking to get hold of a 40 amp cut out fuse to replace an existing 60 amp to provide adequate protection to a supply cable. I bought a BS1361:1971 fuse thinking it would be the correct fit (22mm diameter) but it turns out its about 2mm too wide to fit in the carrier. The fuse...
    • Adam Smith
    • Thread
    • carrier cutout fuse fuses old out thinking
    • Replies: 25
    • Forum: UK Electrical Forum
  2. N

    Fluke1651B Test Leads

    Hi, I have just purchased a second hand Fluke 1651B Multi Function Tester, which is caibrated and serviced. There was a set of new leads with it complying to GS38, with 500mA fuses in. Everytime I try to take a Ze it blows the fuses. Does anyone else have a Fluke MFT and if so what size...
  3. G

    Eicr remedials

    Main switch 160a bs88fuses, 35mm tails feeding busbar chamber with switch fuses ontop feeding distribution boards. A c2 has been given to undersized main tails. I thought that because the tails are only about 400mm long from switch into busbar that it was ok? Thoughts?
  4. S

    rewireable fuses

    Can I get a 5 amp rewireable fuse from any wholesalers ? Need one ASAP !!!
  5. Q

    BS1361 fuses

    I'm doing some past papers for my 17th exam this week and have found 2 questions about bs1361 fuses - their operating times and max zs. I can't find any data in the regs about them. Am I being blind or are these questions pertaining to old regs that have been removed from the current edition...
  6. R

    750kva on 200A primary fuses

    11kv/440-750kva 3 phase tx on 200A primary fuses, spotted this at work, whats the max current per phase you can draw on the secondary without rupturing the fuses.
    • Richard3009
    • Thread
    • fuse fuses primary roman times
    • Replies: 15
    • Forum: UK Electrical Forum
  7. R

    Amtech 3 phase tx load

    Just trying to work out a cable and fuse size for a 3kva 415/240v transformer with a 2kW load on it, using Amtech single cable, there are no settings for showing a transformer on the load side, is it possible to calc a transformer load on Amtech. If I use a motor as the load it chooses fuses...
    • Richard3009
    • Thread
    • 3 phase amtech fuses phase secondary transformer
    • Replies: 9
    • Forum: UK Electrical Forum
  8. A

    Major or Minor Works?

    Hi, I have had 3 phase cut-out and meters for 3 flats moved from my cellar to outside meter cabinet. Sparky has installed switch fuses and around 15 metres of SWA for each flat to relink to old supply point. Work looks decent so I am not disparaging said sparks work. I have a query though. He...
    • andybenw
    • Thread
    • circuits electrical work fuses major minor works
    • Replies: 28
    • Forum: UK Electrical Forum
  9. MerlinGremlin

    pulling the main fuse

    Evening Gents and Ladies hope all are well, just wondering if anyone can give me advice on where I could attend a training course to be qualified and authorised to remove cut out fuses. I did one many moons ago as an apprentice with the local council when I worked there, we went to Hoy Lake the...
  10. B

    What is a KMF please?...Was reading about switch fuses when extending tails. Thanks

    W n d e r e d w ha I s ta n d s f o r
  11. S

    Fuse characteristic

    Hi, I'm currently studying for both my 2394 and 2395 exams and I've been thinking of scenarios to test myself of certain theories, I thought of one where a garage board would be fed with a 13a fuse spur with only a 1.5mm armoured buried under ground. So I started thinking about fuses etc and I...
  12. N

    DNO Fuses In Flats Replaced By Dummy

    Now obviously I have not seen this with my own eyes as it would involve pulling possible DNO fuses which I would never do...but I have it on good authority that there is a certain small block of flats where each flat has, in a meter box outside the front door, its own meter and what appears to...
    • NickD
    • Thread
    • dno flats fuse fuses replaced
    • Replies: 14
    • Forum: UK Electrical Forum
  13. P

    flat submains and landlords suuply

    hi ya'll got a query, just questioning my judgemet been o look at a job were a spark has done a disappearing act and work needs finishing the scenario- total rewire, new3 phase mains incoming and gas etc 5 storey building x4 new flats all new installs by the entrance ground floor x4...
  14. N

    Customer tonight wants me to replace rewire able fuses with plug in MCBS.

    Been to a job where a young couple want to replace their white sockets and light switches with chrome finished. I took a look at their CU and it is a wylex re-wireable fused board with separate RCD covering all circuits. It then became clear they had no idea what a rewardable fuse actually...
    • nisioptimum
    • Thread
    • customer fuse fuses mcbs plug replace rewire wants
    • Replies: 22
    • Forum: UK Electrical Forum
  15. Davehaywire

    Asbestos behind 3036 fuses solution needed?

    What coding would you be giving for old DBS with asbestos behind fuses? As its not affecting electrical safety? is there something you can put in place of the asbestos when removed, as its to hold in arcing or flashing when the fuse wire blows right? if you remove the asbestos does this then...
  16. J

    Separate fuses for 3phase supply

    Hi All, Just trying to double check if there's a reg suggesting a 3phase circuit should have over-current device that disconnects all line conductors at once? Got an old rewireable board supplying 3phase motors with 3 individual fuses. I'm looking at 530.3.1 ................... Can anyone...
  17. S

    Memera 2000 fuse box

    Hi my house has a memera 2000 fuse box. The kind which still requires fuses to be placed in it. Recently it has been tripping on a regular basis every couple of weeks or so. I have managed to isolate the problem by pulling out one of the 30 amp fuses. This allows all other electric to be on...
    • Stuent
    • Thread
    • box fuse fuse box fuses memera problem spark
    • Replies: 6
    • Forum: DIY Electrical Advice
  18. Baker1988

    homework 3036

    Hi I have go a bit of home work but im unsure about one of the questions it says You have been tasked by your supervisor to install a new A3 circuit in the store room for a general workers to use, you go into the distrobution room and see it is a 3phase board with bs 3036 fuses, are you able...
  19. G

    Eicr 1361 fuses 3phase circuits from db

    Come across a DB in a workshop single 1361 fuse carriers three phase circuit. Does this go down as a c3 or c2? Potential if a fuse goes unit would stop but you would still have 2 phases at it??
  20. N

    Periodic Inspection Advice Please

    Hi Guys I have just carried out a Periodic Inspection on an installation that must be at least 30 years old I observed the following and any comments would be greatfuly received There is an old 6 way rewire able CU when the cover is removed the supply conductors are exposed even with the switch...
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