C&G 2382 (BS7671 18th Edition) Part 2 Practice Questions – Set 1

Results

Congratulations – You Passed! 🎉

You’ve got a good understanding of the City & Guilds 2382 Level 3 Award in the Requirements for Electrical Installations and the Wiring Regulations.

Passing this quiz is a great indication that you’re on the right track. Whether you’re brushing up on your knowledge or preparing for a qualification, you’ve clearly got a solid grasp of the subject.

Want to build on your knowledge even further?

Find out more about our electrical courses here:
https://www.pragmatic-consulting.co.uk/training-courses/electrical/

Not Quite This Time

Not quite a passing score this time, but don’t let that put you off.

The Wiring Regulations can be challenging, and this quiz is designed to test your understanding across a range of topics. Every attempt helps you identify areas where you can improve.

Why not review the topics you struggled with and give the quiz another go?

Looking to strengthen your knowledge and boost your confidence?

Our City & Guilds 2382 training course is designed to help you understand the Wiring Regulations and prepare for the qualification.

Find out more about our electrical courses here:
https://www.pragmatic-consulting.co.uk/training-courses/electrical/

#1. A 32 A BS 88-2 fuse is being used to provide protection to a distribution circuit. The maximum permitted value of earth fault loop impedance would be

0.99 Ω

0.91 Ω

1.70 Ω

1.60 Ω

#2. Which one of the following types of fuse system is a BS 88-3 fuse?

Type A

Type B

Type C

Type D

#3. When protecting a 110 V circuit with a 40 A type B circuit-breaker, compliant to BS EN 60898, what is the maximum earth fault loop impedance?

1.09 Ω

0.34 Ω

0.26 Ω

0.30 Ω

#4. In locations where particular risks of fire exists, any temperature cut-out device shall

be complaint at least to IP5X

be automatically reset only

be manually reset only

have no reset facility available

#5. When an individual is standing on a floor surface, the arm’s reach distance immediately upwards would be determined to be

0.75 m

1.25 m

2.50 m

3.00 m

#6. In any areas that comprise of combustible constructional materials, any luminaire rated at 150 W may be required to be which distance from the materials causing concern?

0.5 m

0.8 m

1.0 m

2.5 m

#7. Which of the following protective measures would not require control or supervision from a skilled or instructed person?

Double or reinforced insulation

A non-conducting location

Protection by earth-free local equipotential bonding

Electrical separation for the supply of more than one item of current-using equipment

#8. Which one of the following situations is likely to cause severe, temporary overvoltage in an installation?

Loss of line conductor in a HV system

Loss of line conductor in a LV system

Loss of neutral conductor in a LV system

Loss of protective conductor in a HV system

#9. When selecting wiring systems for safety services, the type of cable that should be used for operation in fire conditions should comply with the test requirements of

BS 5467

BS 6231

BS EN 50200

IEC 60331-1

#10. To prevent circulating eddy currents in steel conduit, trunking or cable armouring

all live conductors of a circuit must be contained in the same enclosure

line and neutral conductors are to be kept separate

the enclosures should be sufficiently earthed

only DC must be used as a source of supply

#11. Where the main earth terminal is separate from main switchgear, a warning label should be fixed in a visible position at or near with the wording

Danger Earth Connection - Do Not Remove

Danger Electrical Connection - Do Not Remove

Safety Earth Connection - Do Not Remove

Safety Electrical Connection - Do Not Remove

#12. Where an RCD is present within an installation, a notice shall be fixed in a prominent position at or near the device, advising the user to perform a functional test of the functionality at least once every

3 months

6 months

1 year

5 years

#13. A non-flame propagating wiring system having a maximum internal cross-sectional area of 710 mm2

must be internally sealed

must be internally sealed if passing through a brick wall

need not be internally sealed, if specified conditions are met

need only be sealed if passing through an insulating partition

#14. To which depth should cables that are placed directly in the ground be buried at?

They should be buried not less than 0.75 m

They should be buried sufficiently to allow easy access for regular maintenance

They should be buried not less than 1.50 m

They should be buried sufficiently to avoid damage

#15. Which of the following types of SPD is the most appropriate for installation at the origin of an electrical installation to provide protection against direct lightning strikes?

Type 0

Type 1

Type 3

Type 4

#16. Which one of the following can be used as a device for emergency switching off?

A plug and socket-outlet

Switched fused connection unit

A semi-conductor device

Unswitched fused connection unit

#17. Where practical, the connection of the main protective equipotential bonding to the gas services in a building should be made within

3 m of the meter on the consumer’s side

3 m of the meter on the supply side

600 mm of the meter on the consumer’s side

600 mm of the meter on the supply side

#18. The minimum cross-sectional area of a supplementary bonding conductor connecting two extraneous-conductive-parts, with mechanical protection, should be

1.5 mm2

2.5 mm2

4.0 mm2

6.0 mm2

#19. A firefighter’s switch should comply with which one of the following requirements?

Not installed more than 3.00 m from the ground surface level

It must be electrically linked

It must be in a locked location to prevent nuisance or unwanted operation

It should be at or near the main entrance to the building in a conspicuous position

#20. Where an RCD is installed upstream of an RCM, it recommended that the RCM be set to a residual actuating current no higher than

10 % of the rated residual operating current of the RCD

25 % of the rated residual operating current of the RCD

50 % of the rated residual operating current of the RCD

100 % of the rated residual operating current of the RCD

Finish