device | Page 10

device

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  1. B

    Positioning of a protective device.

    Ok. we gotta install a fuse wher we have; A reduction in the size of cable Where the wiring system has changed There is a change of environment Where the cable type has altered. Example; A lighting circuit wired in 1•5mm T/E to a connector block, from there in 0•75mm to a...
  2. Z

    Supply Protective Device type

    Hi all, I am stuck with this one: How can you determine what BS type is the supplier main protective device? The one before the CU. I was doing a PIR in an old house and I am stuck with this one. Thank you!
  3. H

    Earth Leakage Device

    Hi Guys My first job on a TT system quick look and me thinks it has 100ma RCD but am told its an early eath leakage device ?? and needs to be removed ? any of your valuable thoughts would be gratefully recieved:D
  4. R

    Need advice putting this device together

    I am looking to put together something that will enable me to accurately control the temperature of water inside a container such as an electric slow cooker, at pretty low temperatures 65 - 70 centigrade. I am looking to buy the components and fit it together myself simply to save money... I...
  5. Amp David

    Charactaristics of Primary Supply Overcurrent Protective Device

    With a 2 way CU that is fed from a 32 amp MCB, when it comes to filling in an EIC, in the 'Charactaristics of Primary Supply Overcurrent Protective Device' part of the cert, is this the 32 amp MCB, or the main service fuse at the house end. Thanks in advance chaps.
  6. brs73

    megger powersuite/ which device?

    hello there i got a megger 1553 and i purchased the software to go with it. i'm having difficulty finding a portable device to go with it. i bought a dell axim on ebay but i cannot get it to sync wiith windows 7 that i have on my pc. can anybody tell me which device they are using because i'm...
  7. T

    Minor Works

    Hi Quick question on a Minor works Cert Part 2. 3 Protective device on mod circuit do you eneter the device at the consunmer unit or if an appliacnce is feed via a fused spur do you enter the fuse? please let me know many thanks steve
  8. D

    Thermistor testing

    Hi all, could someone tell me how to test a thermistor on a boiler, do you use an insulation resistance tester? Many thank`s
  9. G

    Do some meters contain an isolation device?

    I am about to change the consumer unit at a domestic property and have noticed that the meter which was updated in 2008 has a funny little sliding switch on it in the bottom left corner with the word off. Does anybody know if this is an isolation device which will mean I can finish the job...
  10. tigerpaul

    RCD test

    Hello, Please can you help settle an argument I've got going on at work at the mo. It is about testing RCD's. I say you can test RCDs/RCBOs at the device itself. I just place my leads on the load side of the device and perform the test. My colleague says you need to go to the end of...
  11. J

    RCBO B,C or D rating

    HI guys got this of another website what do you make of it Do we need a C or D rating on a RCBO? Not as daft as it my first seem. The magnetic part of the MCB ensures the MCB will trip in the required time in the event of a short circuit. With the RCD being used any short circuit to...
  12. S

    rcd

    can anyone explain what is the rating for on a rcd device not the 30ma but te 63amp or 80amp. im a little confused as they dont provide overcurrent protection. cheers

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