Live testing demonstration for measuring the external earth fault loop impedance Ze

Student trading aid for testing for external earth fault loop impedance Ze test using a MFT Megger tester. Please note this test is carried out with only the external earth path in circuit. Includes a full demonstration on how to carry out an earth fault loop impedance test of a domestic single phase installation in the real world.

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== 🕐 Time Stamps - Cut to the action 🕕 ==

00:00 - External earth fault loop impedance Ze
00:50 - Isolate the supply
01:33 - Circuit breakers off the main switch off
02:06 - Remove the consumer unit cover
02:24 - Live parts are covered
02:38 - Parallel paths removed
02:53 - Setting up my Megger MFT tester
03:22 - Connect test leads

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