In the On-Site Guide, what does the number "1" represent in Figure 4.1 of the diagram on protective earthing?

Earthing and Bonding

Quiz
•
Other
•
12th Grade
•
Hard
Richard Morgan
Used 6+ times
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Main protective bonding conductor
Circuit protective conductor
Earth electrode (TT and IT systems)
Supplementary protective bonding conductors
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the On-Site Guide, Figure 4.1, which component is labelled as "M" in the diagram?
Main earthing terminal
Exposed-conductive-part
Extraneous-conductive-part
Protective conductor
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the On-Site Guide, Figure 4.1, what is represented by the letter "T" in the diagram?
Main metallic water pipe
Earth electrode (TT and IT systems)
Other means of earthing (TN systems)
Main earthing terminal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the On-Site Guide, Figure 4.1, what does the letter "E" signify in the diagram?
Main earthing terminal
Earth electrode (TT and IT systems)
Other means of earthing (TN systems)
Exposed-conductive-part
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of protective earthing in electrical installations?
To increase the efficiency of the electrical system
To ensure that sufficient current flows to operate the protective device in the event of a fault
To reduce the cost of electrical maintenance
To enhance the conductivity of electrical wires
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the Electricity Safety, Quality and Continuity Regulations 2002 (ESQCR), what is required from a distributor of electricity regarding the supply neutral conductor?
They must ensure it is painted in a visible color
They must make it available for the connection of the consumer's protective conductor where appropriate
They must disconnect it annually for safety checks
They must charge the consumer for its use
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of main protective bonding in electrical installations?
To connect the installation directly to the power grid
To reduce the voltages between various exposed-conductive-parts and extraneous-conductive-parts during a fault
To increase the voltage capacity of the installation
To monitor the electrical consumption
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