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Alarm Cable

Discussion in 'General Electronics Discussion' started by Raven Luni, Dec 16, 2012.

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  1. Raven Luni

    Raven Luni

    798
    8
    Oct 15, 2011
    Greetings,

    I've been shopping around for multicore cable and the best I could seem to get was alarm cable. I bought 10m of the 6 core stuff from B&Q but there was no information ragarding current capacity etc. When I asked the staff they just gave me a patronising 'if you dont know what youre doing you shouldnt be buying it'.

    Anyway - questions:
    - Is all 'alarm cable' a standard thickness (appears to be from what I've seen so far).
    - Does anyone know what its rated for? This is basically the same stuff that I bought (same brand, looks identical): http://www.screwfix.com/p/tower-6-c... and Lighting-_-Tower 6 Core Alarm Cable 100m

    To test so far, I've been feeding it 2A @5V and it isnt even getting warm.
     
  2. donkey

    donkey

    1,293
    56
    Feb 26, 2011
    unknown here. it would be your country's own ruling.
    I know here in aus we have some pretty stock standard stuff but now they got ones that use cat5/6 cables.... others have USB.... its getting harder to define standard
     
  3. duke37

    duke37

    5,364
    771
    Jan 9, 2011
    Just measure the diameter with a micrometer and look up the table.
    If you hav'nt got a micrometer, strip a length of the wire and wind 10 turns round a nail and measure the winding length.

    If the cable gets warm, this indicates a considerable voltage drop. Will your circuit tolerate this?
     
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