Which of the following is NOT an example of 'exposed-conductive-parts'?

Equipotential Bonding Quiz

Quiz
•
Construction
•
Vocational training
•
Easy
John Shermer
Used 5+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Steel trunking
Metal accessories
Rubber insulation
Steel enclosures of wiring systems
Answer explanation
Rubber insulation is not an exposed-conductive-part; it is used to cover and protect conductive parts. In contrast, steel trunking, metal accessories, and steel enclosures are all conductive and exposed.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does BS 7671:2018 define as 'extraneous-conductive-parts'?
A conductive part that is part of the electrical installation.
A conductive part liable to introduce a potential, generally earth potential, and not forming part of the electrical installation.
A non-conductive part that introduces a potential.
A conductive part that is always at earth potential.
Answer explanation
BS 7671:2018 defines 'extraneous-conductive-parts' as conductive parts that can introduce a potential, typically earth potential, and are not part of the electrical installation, making the second choice correct.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color is commonly used for equipotential bonding conductors?
Green and yellow
Red and blue
Black and white
Orange and purple
Answer explanation
Equipotential bonding conductors are commonly identified by the color green and yellow. This color coding helps ensure safety and compliance with electrical standards.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the main earth terminal in equipotential bonding?
To serve as a central connection point for bonding conductors
To generate electricity
To insulate electrical components
To disconnect utilities
Answer explanation
The main earth terminal acts as a central connection point for bonding conductors, ensuring that all conductive parts are at the same electrical potential, which enhances safety and reduces the risk of electric shock.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary safety concern addressed by equipotential bonding?
Electrical shock
Fire hazards
Water leakage
Gas explosion
Answer explanation
The primary safety concern addressed by equipotential bonding is electrical shock. This practice ensures that all conductive parts are at the same electrical potential, reducing the risk of shock during fault conditions.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main topic of the document?
Equipotential bonding
Electrical wiring
Plumbing systems
Heating systems
Answer explanation
The document primarily discusses equipotential bonding, which is crucial for electrical safety by ensuring that all conductive parts are at the same electrical potential, preventing shock hazards.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a key component in preventing electrical shock?
Equipotential bonding
Increasing voltage
Reducing current
Disconnecting the earth electrode
Answer explanation
Equipotential bonding is crucial in preventing electrical shock as it ensures that all conductive parts are at the same electrical potential, reducing the risk of current flowing through a person. The other options do not effectively prevent shock.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the protective devices in the equipotential bonding diagram?
To protect the system from overvoltage
To ensure the system is grounded
To connect the line to the neutral
To provide a path for current flow
Answer explanation
The protective devices in the equipotential bonding diagram serve to protect the system from overvoltage, ensuring safety and stability by preventing excessive voltage that could damage equipment or pose hazards.
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