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UTP CCA vs UTP CU cables

Discussion in 'General Electronics Discussion' started by mozobata, Jul 6, 2017.

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  1. mozobata


    Jul 6, 2017
    I need to transfer data over about 20m from a DS18B20(this is the datesheet of
    ) to a Arduino board, I was wondering if I could use the much cheaper CCA cable?

    Also can you please inform me in which cases must I go for the CU cable. The differences between the two types are obvious but I still do not know in which cases I should use CU type. I have found some information in which is stated that CU, due to it's lower resistance, is required in case the load is draining significant current. What about frequency?
  2. kellys_eye


    Jun 25, 2010
    Standard CAT5 cable will do - it's about the cheapest type of cable you can purchase these days anyway. I avoid CCA only for the potential soldering issues but if you crimp the connections then feel free to use it.

    Personally I'd use a two-core overall screened cable for a 20m run IF it was subject to external influences - other cables in vicinity etc. The frequency of operation is sub-MHz so a 20m run isn't too problematic.
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