[OT] – Linking phases by powerline…

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This topic contains 2 replies, has 2 voices, and was last updated by Profile photo of [XAP]Bob [XAP]Bob 6 years, 3 months ago.

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  • #44396
    Profile photo of [XAP]Bob
    [XAP]Bob
    Participant

    In a large building there are two phases of mains supplied.

    My understanding is that these will have a minimum separation between sockets of the different phases – so far so good…

    If I installed a powerline adaptor from the router at one end of the building it would provide signal to much of the building, but obviously stops where the phase changes.

    QUERY: If I put *another* power line network on the other phase would it be safe to run an ethernet cable between these two closest sockets?

    #44397
    Profile photo of Andreas
    Andreas
    Moderator

    Its not a matter of the phase but of the grounds. Ethernet signals itself are completely isolated but if you’re running a shielded (STP) cable a ground loop will be established. Pretty the same with transformer based DI boxes and the ground lift switch.
    If you have to go a long distance I’d probably use a shielded cable with a short unshielded patch cable on one end. But be aware of different ground levels which may be uncomfortable to touch by hand…

    #44398
    Profile photo of [XAP]Bob
    [XAP]Bob
    Participant

    I’d not go shielded, there’s no need.

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