What cable can connect the test box and meter?

Input cable to the building 4 * 70mm through current transformers. What cable section can be used to connect the test box and the meter?

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Posted: Updated: 24.11.2017 1 comment
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  • Admin
    11.24.2017 at 08:19

    A copper cable with a cross section of 2.5 mm.sq. is suitable. Test box in metering circuits. right? This cross-section is enough, since the nominal secondary current of current transformers is usually 5 A, rarely 10 A. If the current transformers are far away, then the cross-section is increased to reduce losses and errors.

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