device | Page 7

device

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  1. O

    Name this device

    Customer thinks it was installed in 1964 when the house was built! Thanks
  2. L

    Socket assistance

    Hello Can someone please help? I have a HomePlug LAN - which is a chunky device that plugs into power socket to provide internet throughout the house. The trouble is there is insufficient clearance from the plug socket to the floor. I could move the socket, but I wonder if there is any...
  3. L

    74 F Series device - Energy Requirements

    Hello, I've searched everywhere, but I found nothing about 74 F series device - Energy Requirements. Can someone please give me a piece of information about it, or at least a clue or something to start from.
  4. I

    Solar Cache+ and Immersun - Immersion Controls

    Has anyone installed one of these devices and if so do you have any feedback on performance/reliability? I have been speaking with one of the people who developed the system (Terry) and they sound an ideal solution if they work as described and are reliable. A customer has contacted us...
  5. S

    protective device selection

    Hello all, A quick question... when selecting a protective device should you use the nominal voltage or the measured voltage? example 9.8k / Uo = 42.6A select 50A mcb 9.8 / measured voltage 245V = 40A select 40A mcb Thanks in advance
  6. S

    Electrical Installation Certificate - Supply Protective Device Characteristics

    What course of action is recommended when the type and size of supply protective device characteristics cannot be identified without pulling the fuse. I phoned the DNO and asked them for the info. Initially they told me to pull the fuse but later agreed that if I wanted that info they would...
  7. S

    portable energy logging device

    Hey guys wondered if you could help I was called out to one of our domestic properties to check everything was switched of whilst not in use as they received there electric bill and it had gone through 3000 units in one month so I was wondering if there is some form of an energy logging device...
  8. K

    Worldwide ring mains

    Quick question here, does anyone know if any other countries use ring mains reason I ask, I have made a proto-type socket where you can do your continuity checks and r1+r2 tests WITHOUT taking the socket off. i don't know how much more money and time to spend on this idea
  9. E

    How to calculate battery backup power needs

    First of all, I would like to apologize for creating an account solely to ask my question. I honestly don't know where else to turn to find out this information; I've exhaused every google search and the knowledge of people around me. I'm hoping someone won't mind helping me with this. I live...
  10. i=p/u

    voltage device like rcd

    went to look at we job last night and its an out building out back of the house.. the guy/doctor wants two way switching on his lights and an extra socket on one side of shed. no probs. there is a small board out there which has a voltage device in front of board , when you push it trips rcd...
  11. O

    8 way IP rated device for switching garden accessories

    Ok guys and girls, I could do with drawing on all your experience and product knowledge... Got a client who wants to install "switching" for 4 water features, 1 UV lamp and 2 lights. 4 of the "outputs" will need to be SWA. The existing "old" stuff uses a 4 way Blagdon box and another 4 way box...
  12. P

    main switch lock

    any suggestions on best switch lockout device....either for the main i/c switch in the meter box...or for c/unit switch?
  13. I

    Need to hire a thermal imaging device - any recommendations?

    Need to carry out some testing over a couple of sites using one of these devices. We have hired them in the past, but I can't recall where we got the last one from. We are based in Taunton, Somerset. Does anyone know of a reasonably local firm that could sort us out? Thanks Monty
  14. C

    Memra 2000 mcb lock off device needed urgently suggestions as to type!

    Hi all can any one point me as to the correct lock of device for a mem memra200 mcb, the one i have doesn't seem to do the job ;-( NAPIT inspection TODAY & original install i was doing it at is now not available & have had to change but my lock off device doesn't seem to work on this mcb so i...
  15. M

    What type of ADS is used for Short Circuit/Overload?

    I am at COLLEGE by the way, if your about to say join another trade or something lol. Also does RCD only operate if there is a earth leakage?
  16. V

    Android app for live solar cell simulation and solar energy distribution on site

    We have just published SolarMeter app on Google Play, that simulates solar cell behavior based on your GPS location while moving your android device arounda and also makes calculation for the annual energy distribution at your location, based on panel orientation and tilt. So you basically can...
  17. the pict

    alarm sounder

    I need to fit an external sounder, but I need it to go off with either zone 1 or 2 ( mag 2 system) any ideas chaps
  18. B

    Tool or device you could use but it is not avaiable.

    Hi all. All of us sometimes come across some problem or situation when we think "If I only had this or that my life would be so much easier". So.. what it would be for you? What device you would love to see on the market, what it would do, how would it look and how it would help you with your...
  19. G

    Bi Callender Overcurrent Protective Device

    Anyone know if a Bi Callender Primary Supply Overcurrent Protective Device is BS 1361. All it says on the unit is Bi Callender (which i have looked up and is the manufacturer, and i cant find anything else on it). Don't know what to put on Electrical Installation Cert which is to be inspected...
  20. P

    suitable protective device for light circuts?

    hi peeps, just looking for some much needed and appreciated help on an army barracks with roughly 7 to 8 buildings to the installation. what would be suitable protective devices for the lighting circuts thanks

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