EV Charging testing

EV Charging testing

1st - 12th Grade

33 Qs

quiz-placeholder

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EV Charging testing

EV Charging testing

Assessment

Quiz

Specialty

1st - 12th Grade

Practice Problem

Easy

Created by

Darren Pigott

Used 3+ times

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33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The earthing arrangement that should not be used for EV charging equipment outdoors without special equipment is..

TN-C-S

TN-S

TT

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The maximum expected Ze of a TN-C-S system is..

0.35 ohms

3.5 ohms

0.8 ohms

21 ohms

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The maximum expected Ze of a TN-S system is..

0.35 ohms

0.8 ohms

8 ohms

21 ohms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The maximum Ra of an Earth Electrode in a TT system before it is classed as unstable is..

21 ohms

200 ohms

13.5 ohms

0.8 ohms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You are installing an EV Charger outdoors and the sheath of the public supply cable is used as the means of earthing for the installation, what type of protection do you fit

a 30mA RCD

a PEN fault protection device, type A 30mA RCD

PEN fault protection device, type B 30ma RCD

PEN fault protection device, RDC-DD

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You obtain a reading of 5 ohms on a TT system main earth electrode, the minimum size RCD required to protect the supply to the EV charger is..

100mA

300mA

30mA

10A

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You install an Earth Electrode for an EV charger, which method do you use to test it?

E1 Fall of Potential method

E2 Stakeless or Probe

E3 Earth Fault Loop tester

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