identify the appropriate document that details the specific dimensions of a specified type of lighting fitting
layout drawing
manufacturers data
installation specifications
circuit diagram
identify the non-statutory act/regulation from this list
BS7671
EaW
Hasaw
EPA
identify the appropriate method for a site supervisor on a busy worksite to determine who is on/off site at any time, should an emergency occur
use of a signing-in/out book at reception
only allow designated staff on site at particular times
use of identify badges on site to be worn at all times
carry out a head-count at regular times during the day
select the appropriate method to identify any damage to building fabric prior to undertaking electrical work in the building.
carry out a survey prior to starting work
carry out a survey after the electrical work has been completed
ensure any details of the damage are recorded prior to starting work
consult the layout drawing for specific information
identify the preferred method to protect soft furnishings from dust during electrical installation work such as drilling into the building fabric
use dustsheets to cover the furnishings
use of water spray to keep dust levels down
removal of all soft furnishings prior to starting work
use a vacuum cleaner when drilling work has ceased
identify the appropriate enclosure/fixing to be used with un-sheathed, pvc insulated single-core conductors
pvc trunking
stainless steel cable basket
pvc capping
steel cable tray
identify the appropriate installation method for a SWA multicore cable installation
in pvc trunking
in stainless steel cable basket
in steel conduit
on steel cable tray
identify the appropriate cable type for a 230v AC portable domestic appliance
flexible cable
MICC cable
SWA
pvc/pvc 'flat' cable
identify the appropriate cable type for a portable 110v AC 'site' transformer
pvc insulated flexible cable
arctic flex
SWA
pvc/pvc 'flat' cable
identify the main advantage of SWA cable over pvc flexible cables
greater mechanical properties
cheaper in price
no specialist tools are required
greater flexibility
how can long runs of pvc conduit be installed to reduce the prospect of distorting and buckling due to large changes in ambient temperature.
use expansion couplers
regular through-boxes are used throughout the run
greater distances between saddles
pvc conduit must not be installed in these environments
identify the cable system that is 'hygroscopic'
MIMS
PILC
CAT6
FP200
identify the tool used to determine if an accessory is horizontally level
spirit level
plumb line
chalk line
gps
identify the tool used to determine if a conduit run is vertical
spirit level
plumb line
chalk line
gps
identify the tool used to mark-up a vertical run for a trunking installation
spirit level
plumb line
chalk line
g.p.s system
identify the minimum depth that a buried cable should be installed without the need for additional mechanical protection
50mm
25mm
100mm
10mm
Buried cables should run in prescribed zones in walls. Identify the minimum distance from the ceiling downwards that would be deemed to be a 'safe zone' on a wall
50mm
150mm
200mm
300mm
identify the rating of an RCD used for additional protection for buried cables in walls.
20mA
30mA
100mA
13A
if an overcurrent occurs in an otherwise healthy circuit, this would be called ........
a short circuit
an overload
an open circuit
an earth fault
identify the device that operates using only the 'thermal' effect.
BSEN 61009
RCD
BS88-2
BSEN 60898
identify the device that operates using the 'current-balance' effect.
BSEN 61009
RCD
BS88-2
BSEN 60898
if a fault occurs downstream in a poorly designed circuit with poor protective device discrimination, the likely result would be....
only the protective device closest the fault would operate
only the correct protective device would operate
only the highest rated device would operate
the incorrect protective device could operate
when applying DIVERSITY to a lighting circuit in a small hotel, identify the percentage of total current demand allowed
66%
90%
75%
100% (full load)
when applying DIVERSITY to a water heater in a small shop, identify the percentage of total current demand allowed if the heater is thermostatically controlled
66%
90%
75%
not allowed
when applying DIVERSITY to discharge lighting (such as fluorescent lamps), identify the multiplication factor that should be applied to the lamp wattage
10
5.5
2
1.8
identify the rated short-circuit capacity of a BS88-3 (type I) device as detailed in the On Site guide
16.5kA
16kA
31.5kA
33kA
identify the rated short-circuit capacity of a BS88-6 device at 240v, as detailed in the On Site guide
16.5kA
16kA
31.5kA
33kA
identify the rated short-circuit capacity of a BS88-6 device at 415v, as detailed in the On Site guide
80kA
16.5kA
31.5kA
33kA
identify the type of emergency light fitting the remains lit continuously
maintained
non maintained
sustained
contained
identify the type of emergency light fitting that only illuminates during a mains power failure
maintained
non maintained
sustained
contained
identify the device that gives 'no-volts' protection for rotating machines
DOL
fuse
circuit breaker
RCD
identify the maximum 'measured' Zs value allowed for a type B 16A circuit breaker to BSEN60898, as detailed in the On Site guide
1.58 ohms
2.2 ohms
3.5 ohms
1.09 ohms
identify the maximum 'measured' Zs value allowed for a type D 40A circuit breaker to BSEN60898, with a 5 second disconnection time, as detailed in the On Site guide
0.88 ohms
0.44 ohms
3.5 ohms
1.09 ohms
identify the maximum spacing for the supports for a 3000mmsq steel cable trunking when installed in a vertical position
3 metres
0.75 metres
2 metres
1.25 metres
identify the maximum spacing for the supports for a 1500mmsq pvc cable trunking when installed in a horizontal position
0.5 metres
1.75 metres
3 metres
1.25 metres
identify the maximum spacing for the supports for a 63mm diameter pvc conduit when installed in a horizontal position
2 metres
1.75 metres
2.25 metres
1.25 metres
identify the minimum height that a bare overhead lined on insulators (without intermediate support) should be installed at when passing across a roadway
3 metres
5.8 metres
6 metres
5.2 metres
determine the minimum conduit size to accommodate 2x 2.5 mmsq and 7x 10 mmsq, stranded copper conductors in a 2 metre straight conduit run
38mm conduit
20mm conduit
25mm conduit
32mm conduit
determine the minimum conduit size to accommodate 3x 2.5 mmsq and 3x 6 mmsq, stranded copper conductors in a 3.5 metre conduit run incorporating one bend
16mm conduit
20mm conduit
32mm conduit
25mm conduit
how many 6 mmsq PVC insulated, stranded copper cables can be safely accommodated in a 100mm x 25mm trunking
63
46
50
55
a 100mm x 50mm trunking already accommodates 16x 25 mmsq PVC (BS6004) insulated, stranded copper conductors. How many more 10 mmsq conductors of the same type could be safely accommodated
30
25
33
21
Identify the maximum spacing of supports requirement for a SWA cable, in a horizontal position, with a diameter of exactly 20mm
550mm
400mm
450mm
500mm
Identify the maximum spacing of supports requirement for a MI cable, in a vertical position, with a diameter of exactly 10mm
900mm
1.2m
600mm
2000mm
Identify the maximum spacing of supports requirement for a non-armoured, PVC insulated and sheathed cable, in a vertical position, with a diameter of exactly 20mm
900mm
0.45m
250mm
400mm
Identify the maximum spacing of supports requirement for a PVC conduit, in a vertical position, with a diameter of exactly 25mm
2m
1.75m
0.5m
1m
Identify the maximum spacing of supports requirement for a steel conduit, in a vertical position, with a diameter of exactly 40mm
2m
2.25m
2.5m
1m
Identify the maximum spacing of supports requirement for a steel trunking, in a horizontal position, with an area of 2500mm sq.
3m
1.75m
1.25m
1m
Identify the maximum spacing of supports requirement for a PVC trunking, in a vertical position, with an area of 1000mm sq.
3000mm
500mm
1.25m
1m
Identify the factor for a 2.5mmsq stranded conductor to be installed in a short, straight length of conduit
31
43
30
45
Identify the factor for a 6 mmsq stranded conductor to be installed in a 5-metre straight length of conduit
88
58
30
45
Identify the factor for a PVC insulated 6 mmsq stranded conductor to be installed in a trunking
22.9
21.2
30.3
45.4
Identify the factor for a trunking measuring 200mm x 38mm trunking
1542
3082
3474
1146
Identify the factor for a trunking measuring 300mm x 38mm trunking
1542
4648
3474
1146
Identify the factor for a 3.5 metre long conduit that is 25mm diameter and has one bend
818
475
463
521
Identify the minimum disconnection time for a 'time delayed' Type 'S' general purpose RCCB to BSEN 61008
130mS
500mS
300mS
200mS
Identify the maximum disconnection time for a 'time delayed' Type 'S' general purpose RCCB to BSEN 61008
500mS
130mS
300mS
200mS
Identify the time period for which an RCD should have its operation checked regularly by using the built-in test button
6-monthly
quarterly
monthly
annually
Identity the item of equipment not considered to form part of a PEI (Prosumer electrical Installation)
uninterruptable power supply
wind turbine
battery
load shedding equipment
Storage unit operating modes for prosumer Electrical Installations (PEI) exclude which one of the following modes
reduce loading for the consumer
be charged by the public network
be charged by local power supplies
supply current-using equipment
Identify the PEI equipment than can be considered as both a load and a generator
battery
motor
UPS
turbine
Identify the item of EEMS equipment from this list
monitoring device
heating system
local generator
distribution panel
Identify the type of SPD to be used near terminal equipment in a circuit
type 3
type 2
type 1
type 0
Identify the type of SPD to be used at a distribution board
type 2
type 3
type 1
type 0
Identify the maximum recommended length of the tails for a type 1 SPD installed at the origin of an installation
1 metre
0.5 metre
2 metres
2.25 metres
Identify the recommended length of the tails for a type 1 SPD installed at the origin of an installation
less than 0.5 metre
less than 1 metre
less than 2 metres
less than 2.25 metres
Identify the minimum c.s.a for the conductors used to connect a type 1 SPD at the origin of an installation
16 mm sq
6 mm sq
10 mm sq
4 mm sq
Identify the minimum c.s.a for the conductors used to connect a type 2 SPD at the origin of an installation
6 mm sq
16 mm sq
10 mm sq
4 mm sq
Arc Fault Protection Devices (AFDD) are required to be installed to protect socket outlet circuits in all but one of the following locations
outdoor locations
higher risk residential buildings
houses of multiple occupancy
care homes
Arc Fault Protection Devices (AFDD) are required to be installed to protect socket outlet circuits in residential buildings with a top storey height of at least
18 metres or more
10 metres or more
26 metres or more
7 metres or more
identify the section in the On Site Guide that details 'Prosumer's electrical installations' operating modes?