loop impedance
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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? -
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...- tuckermot
- Thread
- earth impedance loop loop impedance rcbo rcd test tripping
- Replies: 14
- Forum: Periodic Inspection Reporting & Certification
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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- WarrenG
- Thread
- 17th 17th edition earth edition impedance loop loop impedance table
- Replies: 27
- Forum: Periodic Inspection Reporting & Certification
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