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WorksheetsNETK3-04 Slides 1-5
Total questions: 30
Worksheet time: 15mins
Which of the following is a relevant source of information for electrical work?
Social media posts
BS 7671 Wiring Regulations
Movie documentaries
Personal opinion
True or False: Manufacturer’s instructions are considered an important source of information when installing equipment.
True
False
Building Regulations primarily cover:
Electrical design drawings
Safety and legal compliance of construction work
Cable colours
Electrical test values
Which organization publishes BS 7671?
Health & Safety Executive
Building Control
IET (Institution of Engineering and Technology)
Local council
True or False: Only UK laws and regulations matter; international standards never apply in UK projects.
True
False
When in doubt about design procedures, the FIRST place to check is:
A colleague’s opinion
Approved documentation and standards
A YouTube tutorial
A trade magazine
What is the first step when preparing a site for electrical work?
Ordering materials
Carrying out a risk assessment
Testing cables
Filling out time sheets
True or False: Personal Protective Equipment (PPE) eliminates the need for safe systems of work.
True
False
Which of these is NOT classed as PPE?
Safety helmet
Insulated gloves
Safety boots
Toolbox
What does “isolation” in electrical work mean?
Working alone
Ensuring equipment is disconnected and cannot be re-energized
Wearing ear defenders
Removing circuit breakers
The Health and Safety at Work Act requires employers to:
Protect employees and others from risks
Guarantee zero accidents
Allow unrestricted work methods
Avoid paperwork
True or False: Warning signs and barriers are important for preventing unauthorised access to live work areas.
True
False
Why must electricians check for pre-existing damage?
To avoid doing extra work
To prevent false claims of damage caused during work
To impress clients
To pass inspections
Which of these is an example of pre-existing damage?
New paint on a wall
Cracked plaster before cable installation
A new consumer unit
A freshly installed socket
True or False: Pre-existing damage should be documented and reported before work begins.
True
False
Who should be informed if pre-existing damage is found?
No one, ignore it
Only fellow workers
The client or site manager
The electrician’s family
What method is best for recording pre-existing damage?
Word of mouth
Written notes and photographs
Relying on memory
A verbal promise
True or False: Failing to report pre-existing damage could make the electrician liable for repair costs.
True
False
Thermoplastic insulation is:
Low-cost, suitable for domestic use
More heat-resistant than thermosetting
Rarely used in homes
Only used outdoors
Thermosetting insulation is preferred for:
Low-temperature circuits
Higher-temperature environments
Temporary wiring
Decorative lighting only
True or False: Armoured cables (SWA) provide mechanical protection.
True
False
Twin and Earth cables are commonly used in:
Underground power distribution
Domestic fixed wiring
Overhead transmission
Temporary site lighting
Which cable type is best for outdoor use?
Twin and Earth
Steel Wire Armoured (SWA)
Flex (PVC)
Coaxial
True or False: The choice of cable depends on current rating, environment, and regulations.
True
False
What is the main purpose of containment systems?
Decoration
Supporting and protecting cables
Saving on copper costs
Replacing insulation
Trunking is best described as:
Underground piping
A rectangular system for housing multiple cables
A type of flexible cable
A testing device
True or False: Conduit provides mechanical protection to cables.
True
False
Cable trays are used for:
Light fittings
Supporting large numbers of heavy cables
Small domestic wiring only
Gas pipework
Which of the following is a flexible containment system?
Cable tray
Flexible conduit
Trunking
Ducting
True or False: The choice of containment system depends on environment, cost, and type of installation.
True
False
