main fuse | Page 4

main fuse

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  1. S

    Main fuse rating

    Hi all I'm just filling in my test paper work but I can't fill in the section charteristics of primary supply overcurrent protective device because the main fuse is sealed and all it says on the outer casing is 100amp. Does anyone have the contact num for the electricity board so I can clarify...
  2. E

    blown main fuse

    just started a rewire and the main fuse has blown. whose job is it to replace this? do i get the customer to phone their supplier? or get one from the wholesalers?
  3. S

    Meter to main fuse

    Hi guys, is there a reg for how close meters have to be to the main fuse (bs1361)? Thanks
  4. O

    Main Fuse Recognition

    Is there anywhere, book on line etc where you can identify the different types of fuses. I have come across a few recently which have no identification numbers on them. The attached is a 100Amp main fuse but there are no other identification numbers on it. I assume it is a BS1361 but i dont know...
  5. S

    Main Fuse ID Help

    Having trouble identifying the main fuse on a recent CU change ( 1939 Semi ) to put on EIC, it’s an Aeroflex Fluvent Type AFS 60A rated, dimensions are approx 78mm long by 17mm wide. Have tried DNO and are no help. Any help would be appreciated as I am unsure of the KA rating. Thanks
  6. S

    Main fuse help.

    on my installation the consumer unit is protected by a BS 88 fuse 100a, i was just looking in the on site guide and it says the rated short circuit capacity is 50 at 415 v.. when doing my PSC i got 1.6 ka and PEFC of 1.4ka does this mean my main fuse is to low to deal with possible prospective...
  7. A

    60 amp main fuse

    I'm doing a new installation in a 4 bedroom house,basicaly it's 60 amp main fuse,if the client will turn every light,every appliance&load the sockets,im sure 60 amp wil be not enough.i told that to a client that he needs an upgrade from edf, but he says he doesn't want to because it will take...
  8. C

    Identity of main fuse

    Can you help me identify this? Sorry the pic's rotated... the thick end is the bottom! TN-S arrangement, no markings on the case. Any help appreciated.
  9. P

    Safe change consumer unit - main fuse seal question

    hi all so i have job this is my first consumer units replace job. i have a question about the best, safe way to remove old and fit new. i thint about pull out main fuse but they is sealing, so i think i cant touch ?? if i can i think this is the best waym but if i cant do this how i can pull...
  10. Dean Williams

    Pulling the main fuse?

    Hi following on from another thread is it Illegal to pull the DNO fuse, i always do, after all i am an electrician. ta
  11. Goody

    How to find the main fuse rating?

    I have a bit of hurdle; I couldn’t find the fuse rating on the main fuse box. Should I ring the DNO for this info? You see, I really don’t want to break the seal (law) to look inside. Thanks.
  12. Goody

    How to find the main fuse rating?

    I have a bit of hurdle; I couldn’t find the fuse rating on the main fuse box. Should I ring the DNO for this info? You see, I really don’t want to break the seal (law) to look inside. Thanks.
  13. D

    Trouble finding main fuse!!!

    Just stated out and having installed a few CU's with success i went to a flat today and couldn't find the main fuse. Hoping to find it with the meter it wasn't there. This was next to the old fuse box under a panel. Any ideas??? No doubt you will but many of the old installs baffle me! Thanks
  14. J

    suppliers main fuse (100a)

    Hi, Im sure this has probablly already been posted on this forum elsewhere, however i have a question i would just like clearing up if any one can help. Looking at most domestic electrical supplies the main suppliers fuse is 100a and the main switch in the consumer unit is 63a (or less than...
  15. C

    Meter tails and 100A main fuse

    Morning, Ive just changed a CU and the existing meter tails were 16mm. I have put new ones on that are 25mm, and connected these to the 16mm from the meter in a henley block. The flat has a 100A main fuse. I am going to use this as one of my locations for my NIC assesment. Should I ask the...
  16. C

    60A Main fuse & NIC assesment?

    I was in my brothers house yesterday as I am possibly going to do a job there for one of my NIC assesments, and he has a 100A main switch, but the main fuse is only 60A (in a 100A holder). Ill check the size of the meter tails next week, but if they are suffecient, should we ask for the fuse to...
  17. G

    Re-locating Main fuse

    Hi all, New to the site and to the trade. My main fuse and consumer unit are located on my dining room wall covered by a unit. I know that if I would like to move the consumer unit to the kitchen (which is over 3m away) I will require a switch fuse. Can I, and if so how do I get the the main...
  18. I

    suppliers main fuse next door

    been to look at a job today and the main cutout is in next doors property.anyone come across this before,its a semi detatched property,never at any time been one house.surely once customer has informed dno they should be out to inspect and move into customers house.any thoughts?
  19. mattyevz

    problem with main fuse

    Hi, i went to a call out a couple of weeks ago to a kabab shop. Its single phase supply. i went there and they had blown the main fuse 80amp. Iv checked all the circuits at the consumer unit with a quick ir test no problems i know this would be no problems as nothing has tripped. So i got...
  20. D

    pulling main fuse

    hi just wondering if you can become qualified to pulling a main fuse so to isolate a distribution board, i know its supposed to be done by the suppliers, is there anyway around this? thanks in advance

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