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knowledge

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  1. showme

    Need to know where to find this type of breaker

    I'm setting up a pv system with a Trace Xantrex SW5548 inverter power wall. I'm going over the peripheral units (DC disconnect, AC disconnect and bypass switches and a T240 step up transformer for 220v usage. I bought a pre-owned system 10 years ago that I've had in storage and also found (2)...
  2. 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?
  3. 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
  4. DJAndy

    Does anyone know the reg number for this?

    Electrician jailed after castrating men at their request in Germany (Guardian UK)
  5. A

    I Need Work Do you know any electrician in Gravesend?

    Electrician in Gravesend needed urgently
  6. L

    Does anyone know a good college to do level 2 in South London?

    Hello everyone, I'm new to to this. I'm currently working as a mate, and looking to get qualified. I've had a look online, and have come across lots of different colleges, with wildy varying prices. Also, some of the courses offered at some places seem very short. Can anyone give me any...
  7. 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.
  8. H

    Does anyone know where the LCD backlight circuit is?

    Does anyone know where the LCD backlight circuit is?
  9. 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
  10. 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...
  11. 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 ?
  12. Dave Appleby

    Should know better by now.

    Ok. One new one to add to the telephone conversation before turning out... One of my regular customers. Fairly tech minded and not a frequent flyer.... Add to the telephone troubleshooting.. "Are you certain you didn't switch the main isolator off when you shoved the broom in the back of the...
  13. 4

    Does anyone know how to diagnose a faulty Dimplex Opti-Myst?

    I have a Dimplex Opti-Myst and it's become faulty. I changed the ceramic rings to be on the safe side after I needed to change the 24v fan on the side of the water tank but still very little is going on. Very faint whisps of steam rise, in fact I'd say less steam since replacing the fan, but was...
  14. 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...
  15. 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
  16. 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
  17. 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
  18. 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...
  19. 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 :(
  20. 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?

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