2919 Online Exam

Which one of the following may be required from a local Authority prior to the installation of car charging equipment to the outside of a private property?

Building Regulations Part A Certificate.

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A Traffic Management Order.

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Planning Consent.,

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Risk Assessment

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Which one of the following organisations should be consumed prior to the installation of electric vehicle charging equipment in a domestic property, by an installer who is not registered on a self-assessment scheme?

Local Authority Building Control.

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Health and Safety Executive.

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lnstitution of Engineering and Technology.

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Part P Competent Persons Scheme Organisation.

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Which one of the following describes mode 1 charging?

AC. is supplied to the vehicle using a simple charging cable with no in-cable control box and connects to the source using a standard plug and socket outlet.

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AC. is supplied to the vehicle using a simple charging cable with an in-cable control box and connects to the source using a standard plug and socket outlet.

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AC is supplied to the vehicle using a dedicated plug and socket outlet allowing communication between the vehicle and the charging equipment.

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DC is supplied to the vehicle using a dedicate cable which is tethered to the charging equipment and is not considered suitable for domestic use.

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Which one of the following describes mode 2 charging?

DC is supplied to the vehicle using a simple charging cable with no in-cable control box and connects to the source using a standard plug and socket outlet.

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AC is supplied to the vehicle using a simple charging cable with an in-cable control box and connects to the source using a standard plug and socket outlet.

Correct Incorrect Correct answer

AC is supplied to the vehicle using a dedicated plug and socket outlet allowing communication between the vehicle and the charging equipment.

Correct Incorrect Correct answer

DC is supplied to the vehicle using a dedicated cable which is tethered to the charging equipment and is not considered suitable for domestic use.

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Which one of the following is a disadvantage of Mode 4 charging equipment.

DC chargers are designed to work at high voltages and current making them unsuitable for domestic installations.

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These types of chargers use a small current making charging times much longer.

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DC chargers are designed to provide a rapid charge

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Vehicle connection cables require an inverter to change the d.c. to a.c. before connecting to the vehicle.

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Which of the following best describes a case A charging connection?

The charging cable is permanently attached to the vehicle

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The charging cable is detached from vehicle and charging equipment.

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The charging cable is permanently attached to the charging equipment.

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The charging cable is permanently attached to the vehicle and charging equipment.

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Which one of the following is a type 2 vehicle inlet and plug also known as?

A Yazaki connector.

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A Mennekes connector.

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An EV Plug Alliance connector.

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A standard 13A plug connector.

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Which one of the following protective devices, incorporated in charging equipment, provides both residual cunent (earth leakage) protection and overload protection?

RCD

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CB

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RCBO

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RCM

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If the electric vehicle charging equipment is to be installed in a guaranteed TN-S system which one of the following is true?

lf external to the equipotential bonding zone a new earth electrode must be installed for the equipment.

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lf in the equipotential bonding zone a new earth electrode must be installed for the equipment

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The installation earth is connected to the existing earth

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The system must be converted to a TT system.

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Which one of the following is responsible for determining that an existing supply is adequate for additional charging equipment loads?

The Distribution Network Operator.

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The lnstaller.

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The client.

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The Equipment Manufacturer.

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Which one of the following locations is likely to require planning consent?

Installation of vehicle charging equipment external to the building within a conservation area.

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lnstallation of vehicle charging equipment in a basement garage location.

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lnstallation ot vehicle charging equipment external to a building not in a conservation area.

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lnstallation of vehicle charging equipment in an rented garage.

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When is a TN-S system treated as a TN-C-S system?

lf there is a need to install outside the equipotential zone.

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lf the neighbouring building has a TN-S system.

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lf the neighbouring building has a TN-C-S system.

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lf it cannot be guaranteed that the TN-S system will not be changed to a TN-C-S in the future. '

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A client who lives on the upper floor of a high rise residential block requires charging equipment to be installed in a basement garage area. Which one of the following should permission be sought from?

The organisation responsible for communal services within the building.

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The supplier of the charging equipment that is to be installed.

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The local planning department

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The highways agency.

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Which one of the following is a likely hazard if charging equipment is located too far from the vehicle inlet?

The vehicle will not sufficiently charge.

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People may trip over the charging lead.

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Vehicles may damage the charging unit.

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Current loss will overheat the cables.

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Which one of the following is an acceptable method of preventing electric vehicle charging equipment becoming live due to an open circuit neutral in a TN-C-S earthing arrangement?

Do not connect the charging equipment to any form of earth

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Supply the charging equipment with an auto-transformer.

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Supply the charging equipment with an isolating transformer

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protect all supplies and charging leads by a 30 mA RCD

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Which one of the following earthing arrangements is shown in the diagram?

TT

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TN-S

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TN-C-S

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TN-C

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Which one of the following earthing arrangements is shown in the diagram?

TT

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TN-S

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TN-C-S

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TN-C

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An existing electrical installation forms part of a TT earthing arrangement. Which one of the following statements is true regarding the earthing arrangement and location of the charging equipment to be installed?

The equipment may use the existing earthing arrangement but must only be located outdoors?

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The equipment must only use the existing earthing arrangement but must only be located indoors.

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The equipment may not use the existing earthing arrangements and must only be located indoors.

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The equipment may use the existing earthing arrangement and can be located indoors or outdoors.

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Prior to the installation of charging equipment, a survey reveals that water installation pipework is not connected by a main protective bonding conductor within a TN-S installation. Which one of the following actions should be taken?

No action is required as this is not the responsibility of the installer.

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The client should be made aware of this so they can get it rectified later.

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The main protective bonding must be rectified before any charging equipment is installed.

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This is not essential as the system is not protective multiple earthing.

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Diversity may be applied to vehicle charging equipment circuits providing that the equipment is

Only used at night.

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Fitted with a time clock.

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Filted with automatic limit controls.

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Permanently connected to the vehicle

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Which one of the following diversity ratings should be applied to charging equipment without any automatic limit controls.

100% full load.

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90% full load.

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85% full load.

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75% full load.

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Electric vehicle charging equipment must be

On a dedicated final circuit.

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Fed from a ring final circuit.

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On its own meter.

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On an un-fused circuit.

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Which one of the following describes the purpose of supplementary bonding between exposed extraneous parts?

To provide a further path to earth for fault currents.

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RCD's require this connection in order to operate.

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To create a potential difference between parts.

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To create equal potential between parts.

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Which one of the following describes Basic Protection?

Preventing contact with parts which are intended to be live.

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Limiting the risk of electric shock by live parts under fault conditions.

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Removing the risk of electric shock through separation of circuits.

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Preventing exposed parts from becoming live under fault conditions.

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When a 30 mA RCD is tested at X5, it must disconnect in

10 ms

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20 ms

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30 ms

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40 ms

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On an electric vehicle charging installation, which of the following methods of shock protection would also require the use of a 30 mA RCD?

Electrical Separation

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ADS

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Class ll Protection.

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Barriers and Enclosures.

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RCD operation and test labels must indicate that an RCD should be tested every

Three months

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Four months

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six months

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Twelve months

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Which one of the following should be fitted on or adjacent to a device used for isolating charging equipment?

A label indication the duration between operational tests.

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A label or notice indicating the purpose of the device

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A key and lock which can secure the isolator when off

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An indicator lamp which shows when the equipment is on.

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Which one of the following details relating to the supply must be given on an Electrical lnstallation Certificate?

Name of energy supplier.

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Name of DNO.

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Earthing arrangement.

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Sub-station location.

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Which one of the following descriptions relating to the extent of an Electrical lnstallation Certificate would be ticked if charging equipment was installed using a dedicated new circuit?

New lnstallation.

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Addition to an existing installation.

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Alteration to an existing installation.

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Additions to an existing circuit.

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During inspection, the presence of an earthing conductor must be verified. Which one of the following would satisfy this?

A correctly sized conductor is present connecting the MET to current using equipment.

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A correctly sized conductor is present connecting the MET to gas and water installation pipework.

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A correetly sized conductor is present connecting to extraneous conduclve parts.

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A correctly sized conductor is present connecting the MET to the means of earthing.

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Which one of the following outcomes would verify, by inspection, that basic protection is suitable?

Access to live parts requires the use of a tool or a key

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Earth fault loop impedance values are acceptable.

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All conductors have the correct colour identification.

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All single pole devices are connected in the line conductor.

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Which one of the following should results of prospective fault current test be compared with?

The rating of a protective device.

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The maximum permitted earth fault loop impedance

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The rated breaking capacity of the circuit protective devices.

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The rated residual current of an RCD installed to provide additional protection.

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Which one of the following test currents must be applied to a 30mA RCD to confirm correct operation when fitted to electric vehicle charging equipment?

30 mA

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100 mA

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150 mA

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300 mA

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Which one of the following is the maximum disconnection time for a charging circuit, rated at 16 A, when forming part of a TN-S system within an attached garage?

0.2 seconds.

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0.4 seconds.

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1 seconds.

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5 seconds.

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Which one of the following tests should be conducted first when carrying out an initial verification of a newly installed charging equipment supply circuit?

Continuity of ring final circuits.

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lnsulation resistance.

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Polarity.

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Continuity of CPC

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Which one of the following would be completed and handed to the client on completion of a new circuit supplying charging equipment?

Electrical installation Certificate.

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Minor Electrical lnstallation Works Certificate.

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DNO Notification.

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Traffic Management Order. (TMO)

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Which one of the following would be completed and handed to the client on completion of works which involved replacing or moving an existing charging post?

Electrical installation Certificate.

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Minor Electrical Installation Works Certificate

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DNO Notification.

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Traffic Management Order. (TMO)

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Which one of the following components should a client be instructed to self test at regular intervals?

Cable insulation.

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RCD's

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Earth conlinuity.

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cb's

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Which one of the following is contained on a DNO notification form?

Maximum potential current demand.

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Maximum permitted earth fault loop impedance.

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Maximum permitted values of insulation resistance.

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Maximum measured values from the schedule of test results.

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