DM Electrical Exam Practice Questions - Dubai Municipality DEQ Technical Staff Exam - Electrical Fitting Contracting (Activity 453014) Exam

Cables concealed in a wall at a depth of less than 50 mm must be provided with which additional protection?

A 30 mA RCD Double insulation only A 100 mA time-delayed RCD An isolating transformer

Correct Answer:

A 30 mA RCD

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