TT Installations

Some of the considerations when installing an electrical installation with a TT supply.

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00:00 Introduction 01:00 What is a TT system 05:33 Historical devices for fault protection 07:44 Modern devices for fault protection 10:38 Dual RCD consumer units 12:07 Modern installations 13:00 Submains 14:48 Summary 16:23 Earth Electrodes 19:36 RCD & Electrode Resistance 22:22 RCBOs Switched Neutral 24:06 Maximum leakage current 28:17 Conclusion ... https://www.youtube.com/watch?v=b0nLTiNwbLM