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  1. B

    I'm not an electrician but I some clever heads together

    Hi everyone I have the strangest problem that no matter who I ask in the trade they seem to scratch their head and tell me to buy a surge protection unit. I have bought a million surge protections units Just sayin Here is the problem and some of things done over the past three years to try to...
  2. H

    CCTV - An un-maintained system by a non-accredited installer would not stand up in court?

    As some of you know I currently work at a school while training. They've asked me if I'd be willing to take over maintenance of the CCTV system here. Not a problem, or so I thought, until someone told me that an "unmaintained system by a non-accredited installer would not stand up in court if...
  3. G

    Computer program for single lines

    Anyone know of a good computer program for creating single line diagrams of power systems? For something like this for example:
  4. HappyHippyDad

    Straight wired and crosswired Ethernet connection?

    Evening everyone.. I have just been experimenting with a cat5 wall plate on one end of the cat5 cable and an RJ45 on the other end. The RJ45 connects to my router and the wallplate is situated in the office. I then connect a standard Ethernet cable (RJ45 on both ends) from the wall plate to...
  5. N

    Computer Software

    Hi all, I'm currently a small company with myself, an apprentice, and another electrician and currently i write down all apprentice, electrician and job hours in a book. As work is getting pretty manic i'm in the process of taking on another electrician and a electricians mate and so was...
  6. E

    Trying to setup 21 Computer Fans each rated 12 Volts, is this correct setup?

    Hi all, I’m completely new to any kind of electrical work and would be grateful if you guys could confirm my setup to be correct. I’ll try to be as clear as I can: I have 220V coming from my Wall Socket, so I assume I have 220V to use. What I’d like to do is, use the...
  7. B

    Fuse keeps tripping

    This is a commercial residence with flat upstairs. The problem started two days ago at about 11pm the power to all the sockets downstairs and exhaust hood stopped working. We hadn't done anything unusual as we were using computer, when all the sockets stopped working. So we then went to the fuse...
  8. A

    Computer Monitor Cuts Out When Switching Lamp

    Hi, I have been having issues with my computer monitor and laptop recently where the monitor will cut lose signal or cut out and go to a fuzzy screen and I have to turn off and on, this happens quite randomly every hourish so isn't to bad and I can live with it I am just curious at what might...
  9. Q

    Tool insurance exclusions

    Alright guys I'm looking to take out tool cover and read this in the exclusions... 'DATA PROCESSING SYSTEM’ shall mean any computer or data processing equipment or media or microchip or integrated circuit or any similar devices or any computer software or computer firmware.' I don't know if...
  10. B

    hard wiring a computer point

    working in a house which has 3 xhard wired ethernet points,the client wants 2 x additionals in different rooms can someone let me know where the previous point would be connected to,do they tap them of a bt point or would there be a device somewhere in the house they would be connected to as...
  11. G

    Computer mouse

    Just moved my PC from one room to another and the wheel on the mouse doesn't work like it did 5 mins ago. Now it still scrolls up and down, but 5 mins ago when i pressed the wheel it scrolled automatically now it doesn't, I have looked at the mouse software and everything seems right and all...
  12. B

    Computer sockets (split earths)

    Can any of you guys explain why we split the earths in sockets when installing A ring main for computers. Please explain in lehmanns terms thanks
  13. R

    Stuck on a underpinning knowledge question!

    Hello Folks. Situation is I'm doing the online 2356 and have to do some underpinning knowledge questions, but I feel I may be over thinking this one.... "Why would an induced overvoltage occur and what damage may occur if this happened while working on an un protected computer?" Now is it as...
  14. I

    Computer Geek

    Hi all, Just a computer geek looking into the world of electronics and doing a little DIY project, hoping to pick up some basics here! Regards Jay
  15. D

    Computer Power Supply: is it SELV?

    Just a quick question: would a circuit run from a computer power supply (this type: http://www.amazon.co.uk/tag/atx%20power%20supply/products ) FELV, PELV, or SELV? Thanks!
  16. UKMeterman

    Cheap double sockets, computer has welded contacts in the switch!

    Hi, Ever come across a case where the inrush current of PC has spotwelded the contact of a switch on a double BS1363 socket? Thanks
  17. A

    Computer Data Recovery

    Data on the computer I deleted, how I need to get it back. Please recommend some software. Thank you
  18. C

    New PV Installation - Memory Card Type Thing

    I've just moved into a new build house with a PV installation, the sales office have given me a credit card sized, but thicker plastic card with a detachable small memory card type thing. They have said it should go into a computer and contains my mcs certificate but it's too fat to fit in a...
  19. M

    tt earth voltage

    Hi If I disconnect earthing conductor and put a voltmeter between the earthing conductor and the earth rod how many volts should I expect? None I would have thought. However I get 60V with nothing plugged in and 110V with computer plugged in. Caravan on tt system fed from tncs property - ( no...
  20. M

    Computer Geeks please reply

    Hi-All, Basically I run a site for marine aquarists and have a problem. One of the threads one of my members posted which has dozens of replies and dozens of photos in it has crashed. I have re-booted the server and wiped out the last 5 posts in the threads via the Admin panel and still no...

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