3005 MEN, SELV, PELV 02 - MEN & Earthing 2

__________ testing is completed to ensure that there is no shock hazard arising from any incorrect connections.

• Insulation

• Resistance

• Polarity

• Continuity

The acronym for any earthing conductor, other than a main earthing conductor is ?

• MEN

• PEN

• PEC

• EQ.B

Protective earthing must enable __________? disconnection of supply in the event of a short-circuit to earth fault

• Quick

• Immediate

• Fused

• Automatic

During fault conditions, a ____________? touch voltage may arise between simultaneously accessible conductive parts.

• Dangerous

• Prospective

• Small

• Large

In a short circuit situation the only thing limiting the current is the __________? of the circuit itself

• Fuse

• Earthing

• Impedance

• Voltage

The maximum disconnection time shall not exceed 0.4 seconds for sub-circuits that supply ________?

• Functional equipment intended for manual movement during use

• Class 1 electrical equipment intended for manual movement during use

• Class 2 electrical equipment intended for manual movement during use

• Portable equipment intended for manual movement during use

Unlike a protective earthing conductor a __________? earth may have current flowing in it to do its normal job.

• Functional

• Main

• Protective

• Bonding

Functional earth connections for data and signalling purposes should be insulated from all __________?

• PEN earthing connections

• Extraneous earthing connections

• Protective earthing connections

• Linked earthing connections

Equipotential bonding is when ___________ is connected to the electrical earthing system?

• Functional conductive material

• Extraneous conductive material

• Continuous conductive material

• Metal conductive material

The more often the neutral is earthed, the ______? the system is if there is a fault.

• More balanced

• Safer

• Quicker

• More functional