fuses

fuses

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  1. clanky

    UK MCB's vs Cartridge fuses

    Hi all, need to pick the collective brains as im concerned about a recent problem. We have a few freezers here on our small holding and one of them started playing silly buggers. Eventually the 20A MCB kept tripping so to make sure it was the freezer i put it on a different circuit with a 16A...
  2. B

    Plugs and Fuses - Help understanding symbols (PC/Monitor)

    I have a question which is confusing me and I cannot find a definitive answer and I hope someone can help. So I have a PC and Monitor and I have misplaced the IEC cables in a house move.(Somewhere in a box labelled cables hopefully) My question is I have found this spare on one a box. (see pics)...
  3. nickyp_uk

    Multiple lights and power socket not working but no blow fuses - any ideas?

    Hi all, I'm wondering if anyone might be able to help. We have a fused switch that controls 4 LED lights next to a power socket which have both stopped working. We have tried replacing the fuse in the fused switch, but that hasn't resolved the issue. Reseting all fuses in the fusebox hasn't...
  4. S

    Need help finding the right fuses !

    Trying to get the daughter's old VW Beetle Cabriolet (2003 plate) back on the road and need to replace a couple of fuses. Problem is that all the modern day standard fuses appear to be different in terms of the blade shapes. The ones in the VW are shaped like "maxi" fuses and have no notches in...
  5. J

    Optima xm6 fuses on the board

    Hello. I have an optima xm6 alarm system. I am trying to identify the two 1.6A fuses on the right hand side of the board and what they cover. See attachments. Thank you for your help.
  6. R

    A thought about fuses

    Howcomes we use eg a 3a fuse from the FCU to feed a boiler that has 1.5mm wiring? Wouldn't a 13a still be ok and if not, why not? TIA
  7. carmencina

    Find my mistakes! - Camper van wiring diagram

    Dear Community, I am at the initial phase of my camper van conversion in China, in which I am planning to live and work together with my wife. Camper vans in China are not popular though they produce any kind of devices and gadgets one might search for this purpose. I am not bad at DIY and...
  8. S

    car fuses automotive

    heard a story about some random town in middle east with the army. anyways they were using a house as some sort of forward base or whatever . so bascially alot of these engineers need to think on there feet so this house had main fuses gone is 220v there and one of them manage to rig in a 30a...
  9. A

    Question regarding a fused disconnect fuse size

    I have a question. I am installing a steam generator. The unit draws 42 amps. I have a two pole 50 amp breaker at the service box per the instruction manual. Used 6 awg. The unit needs a fused disconnect at the generator. I have a two fuse 60 amp disconnect requiring two fuses. My question is...
  10. E

    How are auto piggy back fuses connected to the fuse block.

    I am getting conflicting information on piggy back fuses that I am using in my Honda CRV and Ram Promaster 3500. I assumed that the piggy back fuse connector was a bridge between the hot and the ground bus in the fuse block and hence was independent from the fused circuit that was using that...
  11. E

    How to understand power ratings and interaction with fuses

    Hi there I have a few questions related to the power ratings of certain devices and how this interplays with the fuse. The reason I am asking this is whether I can safely add new plug sockets off an existing 3A fused spur (I plan to only use these plug sockets for low power devices). The...
  12. R

    laptop power supply cables - fuses and ratings

    Hi there. I have noticed that most laptop power supply cables have a 5A fuse in the plug, but a 2.5A rating on the clover leaf end of the cable. Is this safe? Surely there should be a 3A fuse in the plug at least, given the cable is rated for 2.5A. The whole industry seems to be happy to...
  13. L

    Two main fuses in one flat

    Hi I wonder if anyone can help. we’re just about to complete on a first floor new build flat. When we went for snagging we noticed at the bottom of the stairs behind the front door is going to be a cupboard which contains 4 x isolator switches (1 for our flat, 1 for downstairs and not sure on...
  14. T

    Fuses characteristic C after B

    Hello everyone, I have two different questions regarding fuses. 1) Is it theoritically possible to put a 16 Amp C characteristic in a sub-distributor and a fuse with B characteristic in the main fuse box? If so (given the case that in the sub distributor 1 x 16 Amp C and 1 x 13 Amp B), how...
  15. Z

    Plastic board above entrance with bs1361 fuses only - no RCD protection. How would you code that?

    Hello engineers. I did EICR in two bed rented flat in a block of flats. There is old plastic fuseboard just above the entry door. There are only bs1361 fuses inside and no RCD. All luminaries are plastic.The board and wiring are in good condition. Any advise on how should i code that?
  16. T

    TP 100amp submain on BS88-2 fuses, but the Zs is above the Max allowed...

    I am helping a local football club who are having some issues with Zs being too high on the submain. They have the supply Henley blocked into a 100amp TP switch fuse (BS88-2) which then feeds a 35mm 4 core SWA 95m to an isolator in another building which is being built. The Ze at the incomer...
  17. H

    Fuse rating confusion

    Organizing my fuse inventory at the plant I came across some Ware 56-50 Amp (FRS style/size). The world of fuses is complicated enough... I cannot find any info on what this seemingly dual rating is. Anyone
  18. K

    Does 1 Amp make that big of a difference in glass fuses?

    Hello, I have a Chinese 90w laser engraver, and recently the power supply went out. While operating, I heard a pop, and when I disassembled, I found one of the transistors had shorted with a black mark. I have since replaced this power supply, and replaced the fuse that is located in the...
  19. J

    gG fuses and motor rated

    if I have a 20amp gG fuses and a 20M25 the continuous rating is the same but would the 20M25 behave more like a 25 amp fuse under earth fault and require a smaller ZS to operate in the same time as the gG fuse?
  20. wwilts

    DNO cutout for 1 dwelling with 3 fuses all on same phase

    Objective: allow fast charging of EV (22 KW) DNO cutout has 3 100A fuses, but all 3 turned out to be on the same single phase How to still obtain 22 kW for fast charging of EVs? Rotary phase converter? Switched on only when needed? Other approaches?

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