GMJ 6035 electrical quiz. Again.

What are the initial steps of the Safe Isolation procedure?

• Test the operation of the Voltage Indicator and turn off the appliance.

• Test the operation of the Voltage Indicator and Locate the source of the supply.

• Locate the source of the supply then test the operation of the Voltage Indicator.

• Turn off the appliance then test the operation of the Voltage Indicator.

When pulling out a 3 pin plug, which terminal should disconnect last?

• Earth

• Live

• Neutral

When should a Temporary Continuity Bond be fitted?

• Before work on metallic pipework

• Before cutting into a metallic pipe

• Before removing a metallic component , such as a pump or gas meter, from a metallic pipe

What test ensures Live and Neutral are connected up correctly?

• Polarity Test
• Continuity test

• Impedance test

• Insulation Resistance test.

Which electrical test ensures there is no damage to the insulation protective sheathing on the installation cables?

• Polarity Test
• Continuity test

• Impedance test

• Insulation Resistance test.

What size cable would be used to install a Radial lighting circuit?

• 1.5mm twin and earth

• 2.5mm twin and earth

A Ring Main circuit should be installed with what size cable?

• 1.5mm twin and earth

• 2.5mm twin and earth

Which earthing system includes an earth electrode?

• TN-S

• TN-C-S

• TT

Modern gas appliances and central heating components generally require what size fuse rating?

• 3 Amp – Cartridge fuse

• 3 Amp – rewireable fuse

• 13 Amp – Cartridge fuse

• 10 Amp – bottle fuse

• a hole mounted tag fuse

What type of fuse would be used in a 3amp fused spur?

• 3 Amp – Cartridge fuse

• 3 Amp – rewireable fuse

• 13 Amp – Cartridge fuse

• 10 Amp – bottle fuse

• a hole mounted tag fuse