knowledge

  1. FiguringOutLife

    Expand my relay knowledge.

    I'm looking to expand my knowledge of relays. Specifically at this point in time, how to know what relay I need for what job. An example for the moment is an industrial dust extraction system that I'd like to switch on and off with an esp microcontroller (5v). Anyone willing to enlighten me?
  2. D

    Anyone know what make of screwdriver this is ?

    My dad wants a new set for christmas as his are old and a bit mashed up
  3. C

    Anybody know what kind of adapter this is?

    Anybody know which kind of adapter this is? It goes to some string lights at my restaurant. Trying to find a replacement.
  4. H

    Does anyone know where the LCD backlight circuit is?

    Does anyone know where the LCD backlight circuit is?
  5. N

    Anyone know where I can locate an inline surge suppressor 230 v 30A

    Anyone know where I can locate one of these, inline surge suppressor 230v 30A
  6. K

    Need to know...

    I have existing 230V 1P circuit (L1, L2 & Neutral) out at my deep well head. There is no practical to install/run additional circuit(s) to this location without incurring allot of expense... I need to obtain (or create) a "seperate" 120V 1P curcuit (to use in creating a set of low voltage...
  7. G

    Does anyone know a ECS training course provider in Nottingham ?

    Hi everyone I am looking to get my ECS card but have drawn a blank as to finding a training provider in Nottingham. Any ideas ?
  8. B

    Anyone Know How Old This Is..?

    I was doing some work for small international student school today and in there plant room I came across the board attached, just wondering how old it was if anyone knew? It’s still running some lighting and a boiler which we are currently running new feeds for to decommission this board. The...
  9. C

    does anyone know the location of the heater resistor on a 12 plate vivaro?

    Looking to change it but don’t know the location
  10. Rockingit

    Anyone know anything about micro hydro?

    If so..... I have some questions but it seems to be a bit of a dark art! Have a client who wants to install one as he has a water course suitable, but unsure of the various combinations generation voltage / inverters / batteries / etc for UK use
  11. U

    Please can someone help me to sketch and label the cables how they runs. I really want to know how to install this manual change over.

    THIS IS FOR ELECTRICAL NEWS ONLY
  12. D

    How many of you know your internet browsing is monitored by one of the biggest apps out there.

    Just a poll for curiosity - It was only recently I found out my browsing activity on my phone is been monitored by facebook, what is scary is it does this even when you are not logged into the app', I just wondered how many know about this and how many consider this to be too much snooping? I...
  13. H

    would anyone know the actual value of the negative rail (-Vcc) for the ICL7660?

    i have been ficking through the datasheet but i cant seem to find it :(
  14. W

    Do you know these?

    whats the minimum grade fire alarm system for a new build domestic property? what’s the maximum length of a 100mm fan duct with 1x 90 degree bend? whats the maximum allowed wattage of an external lamp fitting for a domestic property?
  15. B

    UK Anybody know what a good standard TT connection point should look like? Is this dangerous?

    Would this TT connection point be at the stage where it needs repair? Under UKPN control.
  16. D

    Shorted a cord (cut i didnt know about) thought i blew a fuse, (tl3

    Shorted cord (unknown cut) thought it was a fuse. All fuses, TL30 and main fuses test ok on multimeter. What else could it be?
    • Dano379
    • Thread
    • cord didnt fuse fuses knowledge main multimeter screwfix test thought
    • Replies: 7
    • Forum: UK Electrical Forum
  17. Lister1987

    Making the trades (or fundamentally that knowledge behind them) accessible.

    An idea has been swimming around my head since i started my journey to becoming a electrician; Are the trades (any) accessible to those with disabilities? What's everyone's thoughts on the matter? Let's not beat around the bush here, the trades are very physical and demanding jobs however I...
  18. E

    Anyone know what this is

    Never come across these before. This is on the ground floor of block of flats, with each holder for each flat. Thinking it must be a dist board with fuses, but could each holder be just a connection to tails. Ive not actually taken one out yet to see.
  19. T

    How would you know that you have had a power cut and electricity is coming through a generator instead of mains?

    Hi sorry for the vague question. I'm looking more of a starting point. What do you have in place to know whether you are running on mains power, UPS, or a backup generator? If the mains should fail how would you know, how can you monitor it, and when it comes back active how would you know...
    • tasj96
    • Thread
    • coming electricity generator instead knowledge mains power through
    • Replies: 8
    • Forum: UK Electrical Forum
  20. W

    Things to know about EV charging points

    Hi guys. I’ve bagged myself a new job fitting EV points, mainly commercially but with bits of domestic too. I haven’t accepted it yet, got to discuss a few things before I sign any contracts. I’ve only fitted one before, was a Rolec unit, nice and straight forward, needed two rods before I could...
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