A selection of questions taken from the best-selling Electacourse 17th Edition Exam Simulator. Purchased either on its own or as part of the popular Electacourse 17th Edition BS7671 Course, the 17th Edition Exam Simulator has been used by hundreds of UK electricians to pass the City & Guilds 2382-12 Wiring Regulations exam.
Non-flexible cables.
Flexible cables, except equipment supplied by contact rails.
Either non-flexible or flexible cables.
Contact rails.
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Commercial premises
Caravans, caravan parks and similar sites
External lighting and similar installations
Electric fences covered by BS EN 60335-2-76.
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Distribution board and current-using equipment
Consumer's main earth terminal and circuit protective device
Intake and the energy meter
Main switch and the distribution board
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The local REC
Building control
The installation contractor
The distribution board
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IP11
IP14
IP41
IP44
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Earthing conductor only
Neutral conductor only
Line conductor only
Across the neutral and line conductor
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Multimedia network system cables
Power supply
Metal fences
Exposed metallic structural parts of the building.
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Special protective device
Surge protective device
Switching protective device
Supplementary protective device
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An oil pipe
A flexible or pliable conduit
A conductor in a cable
A gas pipe
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Agricultural and horticultural premises
Highway equipment and street furniture
Equipment of mobile and fixed offshore installations
Public premises
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Up to and including 800 V a.c. or 1000 V d.c.
Up to and including 1000 V a.c. or 1500 V d.c.
Up to and including 1200 V a.c. or 2000 V d.c.
Up to and including 100 V a.c. or 150 V d.c.
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2
3
5
6
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Thermal insulation
Emergency lighting
Bayonet lamp holders
Fire detection and alarm systems for buildings
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Electrical vehicle charging points
Photovoltaic systems
Systems for the distribution of electricity to the public
Residential premises
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Double or reinforced isolation
Protection by an RCD
Earth-free local equipotential bonding
Automatic disconnection of supply
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Colour
Lettering
Numbering
Colour and/or lettering and/or numbering
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PEN conductor
Line conductor
Neutral or midpoint conductor
Protective conductor
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The mechanical function
The electrical function
The rating
The disconnection time
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Barriers
Placing out of reach
IPX6 rated accessories
By the way of RCD
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0.5m off the ground
0.25m off the ground
0.5m to 1.5m off the ground measured to the highest part of the socket outlet
0.5m to 1.5m off the ground measured to the lowest part of the socket outlet
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Mechanical damage
Circuit overload
Direct contact
Risk of burns
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Ensure that the polarity is correct
Ensure correct RCDs are fitted
Ensure that the earth fault loop impedance is satisfactory
Ensure that all lamps are removed
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6m
5m
15m
10m
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Accessible from above and below
Accessible from either end
Accessible from both ends
Provided with a rechargeable torch at either end
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Limited protection zone
Luminaire protection zone
Lightning protection zone
Line protection zone
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Zone 1 only
Zone 2 only
Zone 1 and zone 2
Zone 0
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The supplementary equipotential bonding.
The neutral conductor
The protective conductor
The ground
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0.3 m
0.4 m
0.5 m
0.7 m
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Selecting the type of overcurrent device to be installed
Applying diversity to the installation
Assessing the earthing arrangement
Estimating the external fault loop impedance
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As close as possible
Between zone 1 and 2
Between zone 0 and 2
Outside zones 0,1 and 2
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Extra-low voltage by SELV or PELV
Electrical separation
Obstacles and placing out of reach
Double or reinforced isolation
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RCD protection on every charging point
Single RCD protection on multiple charging points
A combination of RCD and fuse protection
Protection by putting out of reach
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0.752
0.527
0.725
1.725
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Combustion, ignition, or degradation of materials
Impairment of the safe function of installed equipment
Risk of bums
Radioactivity
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International Standard
Conventional Standard
Harmonized Standard
Common Standard
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At least 15kA
Equivalent or more than the prospective short circuit current
Twice the prospective short circuit current
Equivalent to maximum earth fault current
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Being an earthing part of the electrical installation
Forming part of the electrical installation
Is intended to be an earthing part of the electrical installation
Not forming part of the electrical installation
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Relationship of the exposed-conductive-parts of the installation to Earth
Relationship of the exposed-conductive-parts of the installation to the power system
Relationship of the power system to Earth
Arrangement of neutral and protective conductors
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PEN conductor
Protective conductor
Neutral conductor
Line conductor
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5s
0.2s
0.5s
5ms
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TT
IT
TN
TN and TT
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Correct connection of accessories and equipment
Presence of fire barriers, suitable seals and protection against thermal effects
Methods of protection against voltage drop
Selection of equipment and protective measures appropriate to external influences
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Motors running
The operation of circuit breakers
Atmospheric events
Voltage recovery
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50 volts d.c.
120 volts d.c.
150 volts d.c.
200 volts d.c.
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50 ¡C
55 ¡C
60 ¡C
65 ¡C
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2.5 kV
4 kV
6 kV
8 kV
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80 mm
100 mm
120 mm
150 mm
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Maximum demand and diversity
Design briefs
Contractors notes
Presence of diagrams and instructions
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