By Neil
January 29, 2024

Electrical Vehicle Charging exam

Welcome to your Electrical Vehicle Charging exam simulator

When an RCD is tested at 1x its residual rating current it must disconnect within?

20ms

300ms

40ms

30ms

None

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

To create equal potential between parts

To provide a further path to earth for fault currents

To create a potential difference between parts

RCD's require this connection in order to operate

None

What protection does the device in the photo provide?

qualifications required to be an electrician

Additional protection only

Overcurrent and earth fault

Earth fault loop impedance values are acceptable

Overload

None

When performing an earth electrode test the most reliable results are when the distance between the earth electrode and the current spike should be

Within 3 metres or each other

At least 5 times the maximum dimension of the electrode system

Between 10 and 25 metres away

At least 10 times the maximum dimension of the electrode system

None

Which of the following is not required to be entered on an EIC for the supply protective device?

Type

Rating

BSEN number

Brand

None

Which is the most appropriate test procedure to verify that there is seperation of circuits

Continuity of Ring Final Conductors

Insulation resistance

Continuity of protective conductors

Earth fault loop test

None

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?

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

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

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

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

None

If a client requests for a new EVSE to be installed but you find that this will be from unmetered supply, who should the client contact to arrange a new connection?

NAPIT

DNO

HSE

LABC

None

Which of the following standards specifies the design and performance requirements for EV charging equipment?

BSEN 60898

BSEN 61851

IET Code of Practice for EV Charging Equipment Installation

BS7671

None

10.

If a TT is to be provided for an for on-street charging equipment, what is the recommended minimum separation distance from other earthing systems?

The length of the earth electrode

10m

2.5m

2.0m

None

11.

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

85 percent of full load

75 percent of full load

100 percent of full load

90 percent of full load

None

12.

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

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

The system must be converted to a TT system

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

The installation earth is connected to the existing earth

None

13.

Which of the following Approved documents is specifically for EV installations only?

Part Z

Part B

Part S

Part P

None

14.

What type of connector is shown?

Yazaki

CCS

Mennekes

Type 4

None

15.

What is a Type 1 Connector also known as?

Mennekes

Yazaki

CHAdeMO

EV Plug Alliance Conenctor

None

16.

Which Mode of charging is in the diagram?

Mode 1

Mode 3

Mode 2

Mode 4

None

17.

Further information on using a Vehicle for storage can be found in which Publication?

IET Code of Practice In-Service Inspection and Testing of Electrical Equipment

IET Code of Practice for Electrical Energy Storage Systems

IET Code of Practice for Grid-Connected Solar Photovoltaic Systems

IET Code of Practice for Vehicle Storage

None

18.

Which one of the following describes Fault Protection?

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

Removing the risk of electric shock through separation of circuits

Preventing exposed parts from becoming live under fault conditions

Preventing contact with parts which are intended to be live

None

19.

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?

Supply the charging equipment with an auto-transformer

Protect all supplies and charging leads by a 30mA RCD

Do not connect the charging equipment to any form of earth

Supply the charging equipment with an isolating transformer

None

20.

How often shall the client be advised to test the RCD by pressing the test button?

Every month

Every 6 months

Quartely

Annually

None

21.

During an Earth Electrode test using method 1 the following results were obtained test 1 was 25Ω test 2 was 25.2Ω and test 3 was 25.5Ω. What result is recorded as Ra?

25Ω

75.7Ω

25.2Ω

25.7Ω

None

22.

Which Mode of charging is in the diagram?

Mode 1

Mode 3

Mode 4

Mode 2

None

23.

Which symbol does this refer to “the nominal generating output rating of the V2X EVSE”?

None

24.

Which of the following organisations should be consulted prior to the installation of a EV point in a domestic setting, by an electrician who is not registered on a self certification scheme?

Local Authority Building Control

County Council

IET

NICEIC

None

25.

During inspection, the presence of the main protective bonding conductors must be verified. Which one of the following would satisfy this?

A correctly sized conductor is present connecting to extraneous conducive parts.

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

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

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

None

26.

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

Name of DNO

Name of energy supplier

Sub-station location

Number of live conductors

None

27.

Which one of the following describes mode 3 charging?

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

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

AC is supplied to the vehicle using a simple charging cable with an ICCB and connects to the source using a standard plug and socket outlet

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

None

28.

Which one of the following may be required from the local Highways, prior to the installation of car charging equipment for On-Street parking?

Risk Assessment

A Traffic Management Order

Building Regulations Part A Certificate

Planning Consent

None

1 out of 28

76506

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