Cameroon Baccalauréat Série F3
Cameroon Baccalauréat Technique Série F3 (Électrotechnique)
Earthing And SafetyEnglish
Exam overviewPractice session
In the TT earthing system (Régime TT / Neutre à la terre, masses à la terre), what mandatory protection device must be installed at the origin of the installation to ensure automatic disconnection of supply in case of an insulation fault?
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