fuses | Page 7

fuses

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  1. 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...
  2. 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??
  3. 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...
  4. A

    Question about fuses and power cords

    hi guys, I am in no way an electrician so apologies in advance But wondering if you could help me out. I've got a little home recording studio and have just copped a new piece of kit (a compressor) for my setup. Unfortunately it didn't come with the power cord. Power cord is just the standard...
  5. D

    DNO Supply Question

    Hi there, I was wondering if I might be able to call on the knowledge of someone with experience of three phase mains supplies from our energy provider. We are a sports club looking into the possibility of installing some new floodlighting around our pitch and are currently in the very early...
  6. R

    bs 1361 fuses service head

    o.k. bs 1361 fuses have earth fault loop impedance times as follows 80A-0.40ohms 100A-0.29ohms (yes based on 80% values, 5 secs distribution) In a TNS you can goto a max 0.8ohms Ze so even if you use the smallest rated fuse in your service head, 60A still max only 0.56ohms and your Ze was...
  7. J

    BILL porcelain rewire able fuse holders 10 30amp 3 60 amp

    As title says I've got 3 60a and 10 30a bill fuses to sell any offers please private message will post out payment via PayPal unless collecting thank you for looking
  8. D

    Overcurrent in circuits

    Evening all...just a quick question. A customer was using a wallpaper stripper on a ring circuit, smoke started coming out of the back of the socket before the 32amp breaker tripped, what I don't understand is why the 13amp fuse in the plug didn't break? Could someone tell me why? Thanks
  9. W

    Undersized main tails eicr code

    Undertaking an eicr on a small commercial unit, tpn 100a 1361 main fuses to tpn dist board, 16mm tails i have only read the side of the fuse carriers not actually pulled the fuses to confirm i have clamp metered the supply at a roughly peak time in the premises and had <30A across any one...
  10. G

    100amp fuse 16mm tails

    can anyone tell me why some houses are fitted with 100amp fuses and only 16mm tails ? was this how they did it back in the day ?
  11. S

    Macintosh derby main fuses

    Im preparing a house Ive rewired for an niceic assesment. The supply requires upgrading from 60 to 80amp. Ive dpoken to the distributing comany who say it can be done. Should I get my supplier ti do this or can i do it myself. Would thry also reconect the tails for me to the new Cu. Im guessing...
  12. 7029 dave

    down grading of fuses

    If a domestic installation has 16mm tails from the consumer unit,lets say old 6way with 60amp double pole switch, and cut out 25mm tails100amp,customer does not want to upgrade fuse board and tails.do you think the dno would downgrade cut out?
  13. R

    Recently in PE, Red fuse carriers with tube not fuses

    Recently more than once in PE and even on here I've heard about sparks finding red main fuse carriers with only an aluminium tube inside, and not the expected fuse. now i come from an electricity company background, but never came across this in the 11 years I worked in that part of the...
  14. A

    5 kitchen sockets from 1 FSU

    I recently asked my electrician to add 4 new sockets to my kitchen, following a re-arrangement of my kitchen appliances. These supply a kettle, toaster, microwave, George foreman and a fridge. The issue he had was there was no ring main in a convenient place, only a spur to a single socket...
  15. B

    Cutting seals and pulling fuses, REALLY SORRY TO START THIS AGAIN!!!!!!!!!!!

    Hi, I work at a local council and our NIC assesment has brought up the age old problem. I know what should be done and what i have done thousands of times in the past, but some of our operatives are being funny about it. They are refusing to pull fuses as its "ILLEGAL" I want to put out a...
  16. M

    cut out fuses

    Hi all Which fuse am I most likely to come across on a domestic property cut out fuse 1361 or 88 I understand that an 88 comes with bolt holes or clips and 1361 is a bigger version of a 1362 fuse
  17. R

    HELP! Fire alarm problem, tiny fuses, much frustration!

    Hello all, hoping someone here can help me out with something that is really getting under my skin. As part of some work ive done for a regular customer, I have installed 5 new smoke detectors to his existing system (he wants mto turn a big flat into bedsits). Now, I have limited experience...
  18. P

    max zs of large fuses

    BS7671 tables only go to certain size fuses eg how can I find max ZS of 400 amp BS88 - 2 on niceic test sheets they ask for a max value out of regs table I have only managed to find a busman fuse chart which differs been told by employer to use these values on sheets any input would help thanks
  19. P

    max zs of large fuses

    BS7671 tables only go to certain size fuses eg how can I find max ZS of 400 amp BS88 - 2 on niceic test sheets they ask for a max value out of regs table I have only managed to find a busman fuse chart which differs been told by employer to use these values on sheets any input would help thanks
  20. Y

    line diagram

    hello everyone. i need help here im now create kind of model of substation for my project .the device and component already given which is put in the panel. now im hope everyone can help me to check whether my single line diagram are correct? sorry the image

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