ME3011FP Tut 27

Which one of the following terms describes a current which flows to Earth or to extraneous conductive parts, in a circuit that is electrically sound?

• Overcurrent.

• Normal current.

• Neutral current.

• Earth leakage current.

When measuring the insulation resistance between a phase conductor and earth, its minimum value is

• 0.5 .

• 1 .

• 0.5 M.

• 1 M.

Which one of the following tests requires the testing of all conductors including any extraneous conductive parts?

• Visual testing.

• Polarity testing.

• Continuity testing.

• Insulation resistance testing.

Which one of the following tests ensures that the switches, fuses and circuit breakers are connected in the phase conductor?

• Visual testing.

• Polarity testing.

• Continuity testing.

• Insulation resistance testing.

Which one of the following items is NOT an earth electrode?

• Earth rod.

• Earth pipe.

• Earth tapes.

• Earth plates.

The installation for the Consumer's distribution system must be provided with

I - labels to indicate the purpose of switch gear and control.

II - correct identification of conductors, cables cores and protective conductors.

III - diagrams, charts or tables to show the arrangement of circuits.

• I and II only.

• I and III only.

• II and III only.

• I, II and III.