device

  1. J

    Supply Protective Device Characteristics - Flats

    Hi , I am have recently installed a new shower circuit in a flat which is in an block of around 20 flats. The main service head is a 3 phase 4 wire that goes into a sub board that distributes the flats. What information needs to go on to the EIC supply Characteristics? (by the way sub board is...
    • jat01
    • Thread
    • device flats protective supply
    • Replies: 3
    • Forum: UK Electrical Forum
  2. J

    MCB short circuit capacity

    6 amp BS EN 60898 .....6ka being the maximum fault current the device can handle, although the device may no longer work after that. The 3 underneath this being the fault current (ka) the device can handle without damaging it and then being able to be reset. I have been told 2 different...
    • jamesBoater
    • Thread
    • being capacity circuit current device fault mcb rating short short circuit
    • Replies: 7
    • Forum: UK Electrical Forum
  3. H

    surge protection device for fire alarm.

    Will be installing a fire alarm system shortly.The site is rural tncs overhead supply from nearby transformer. After reading the osg and the green book,it appears,I need to fit a device at the intake position and another at the fire alarm panel position.Any advice of on the install would be...
  4. P

    code 2 advice to customer

    i have just had a customer ask me what length of time he has to make good is code 2,s following his EICR any suggestions for a norm thanks every body
  5. O

    Name this device

    Customer thinks it was installed in 1964 when the house was built! Thanks
  6. 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...
    • Lennardo
    • Thread
    • device signal socket these wireless
    • Replies: 9
    • Forum: UK Electrical Forum
  7. 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.
    • Laurynas
    • Thread
    • device electricians' talk energy requirements series
    • Replies: 4
    • Forum: UK Electrical Forum
  8. 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...
  9. 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
    • Sbc
    • Thread
    • device electricians' talk protective
    • Replies: 15
    • Forum: UK Electrical Forum
  10. 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...
  11. 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...
  12. 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
    • KevinS
    • Thread
    • device don't electricians' talk mains ring socket tight
    • Replies: 64
    • Forum: UK Electrical Forum
  13. 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...
    • electroguy
    • Thread
    • backup batteries battery calculate device electricians' talk how to needs power watts
    • Replies: 9
    • Forum: UK Electrical Forum
  14. 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...
  15. 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...
    • Octopus
    • Thread
    • accessories device electricians' talk garden outdoor rated switch switching
    • Replies: 10
    • Forum: UK Electrical Forum
  16. 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?
  17. 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
  18. 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...
    • craig1000
    • Thread
    • device electricians' talk lock mcb needed off suggestions type
    • Replies: 2
    • Forum: UK Electrical Forum
  19. 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?
    • MattyH
    • Thread
    • circuit device earth electricians' talk fault operate short type used
    • Replies: 4
    • Forum: UK Electrical Forum
  20. 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
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