loop impedance | Page 5

loop impedance

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  1. E

    Measured Loop impedance

    On another issue how do test the loop impedance at a fixed appliance or a light, to fulfill the measured loop impedance column requirement on the schedule of tests. will the calc R1 + R2 suffice?
  2. tuckermot

    RCD,Rcbo tripping on earth loop impedance test

    Hi every one I have a robin 1620 multifunction meter and i am commencing my 2391 in march.My meter does not have a D,lock so when doing earth fault loop testing on circuits protected with rcds and rcbos the test current some time trips the breaker before the meter can get a reading has any one...
  3. W

    Earth Loop Impedance Table 17th Edition

    Hi Guys, Here is a handy 17th Edition Loop Impedance Table. This table gives you a direct comparison with your Zs tests results and is calculated @ the 0.8 Rule of Thumb figure. Enjoy! :) Warren

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