Here is a sample paper for the 2382-20 (the update to 17th) answers to follow, enjoy!!!
Sample 2382-20 (update for 17th 30 questions) Answers will be posted later
1. BS7671 relates to permanent and temporary installations for?
A: Equipment on board ships
B: Aircraft equipment
C: Marinas
D: Railway traction equipment
2. Bs 7671 applies to?
A: Equipment of aircraft
B: Photovoltaic supplies
C: Distributor’s equipment
D: Electrical equipment of machines
3. In a distribution circuit forming part of a TN system the disconnection time should not exceed?
A: 0.4s
B: 0.2s
C: 0.1s
D: 5s
4. An integrated module/inverter assembly where the electrical interface terminals are ac only is a?
A: PV ac module
B: PELV circuit
C: Low Power supply system
D: Flexible sheet heating system
5. A person who possesses sufficient technical knowledge, relevant practical skills and experience for the nature of the work undertaken and is able at all times to prevent danger and where appropriate injury to him/herself is?
A: A competent person
B: An instructed person
C: A technical person
D: A skilled person
6. The insulation resistance value measured between ine and neutral conductors of 230v domestic installation shold be not less than?
A: 0.25M ohms
B: 0.5M ohms
C: 0.75M ohms
D: 1.00 ohms
7. Every installation should be divided into circuits, as necessary to?
A: Avoid fuse discrimination problems
B: Mitigate risks of electromagnetic interference
C: Prevent unauthorised interference with safety supplies
D: Reduce wiring impracticability
8. For a BS 1361 fuse rated at 20A with a 0.4’s disconnection time, the maximum earth loop impedance value is?
A: 1.77 ohms
B: 2.3 ohms
C: 1.7 ohms
D: 2.8 ohms
9. In a location where a particular risk of fire exists, any temperature cut out device must?
A: Reset automatically
B: Be reset manually only
C: Be at least IP5X
D: Have no reset facility
10. Basic protection may be provided by?
A: Barriers or enclosures to IPXXB or IP2X
B: Insulation of live parts by paint or varnish
C: Supplementary equipotential bonding
D: Back up protection
11. A 6A BS EN 60898 circuit breaker used to protect a circuit with an earth fault loop impedance (Zs) of 3.83 ohms would be type?
A: A
B: B
C: C
D: D
12. Where supplementary equipotential bonding is used as additional protection and doubt exists as to its effectiveness, it must be confirmed that the resistance between exposed and extraneous conductive parts is?
A: ≥ 50v ac / la
B: ≤ 120 v ac / la
C: ≤ 50 v dc / la
D: ≤ 50 v ac / la
13. Insulation monitoring devices must be installed with the line terminals connected to?
A: The neutral point of the power supply
B: An artificial earth point
C: All points of the equipotential bonding
D: All high integrity earths
14. A cable concealed in a wall at a depth less than 50mm must?
A: Incorporate an un-earthed metallic covering
B: Be enclosed in un-earthed conduit
C: Be enclosed in earthed metallic conduit
D: Be protected by a 500mA RCD
15. Socket outlets intended for general use must be protected by an RCD when the socket outlet rating does not exceed?
A: 20A
B: 30A
C: 45A
D: 50A
16. Any socket outlet intended for use by ordinary persons where the rating does not exceed 20A must be protected by an RCD with a residual rating not exceeding?
A: 30mA
B: 32mA
C: 100mA
D: 150mA
17. PV is the abbreviation for?
A. Supplementary Protective Voltage
B. Solar Photovoltaic
C: Preferred Voltage
D: Protective Voltage
18. The insulation resistance between line conductors and the protective conductor connected to the earthing arrangements on a 230vinstallation should have a minimum value of?
A: 0.5 k ohms
B: 1.0 k ohms
C: 0.5 M ohms
D: 1.0 M ohms
19. In ac systems additional protection by RCD’s with a residual rating of 30 mA or less may be used?
A: To replace all other protective devices
B: For outdoor mobiles equipment with a current rating of 32A or less
C: Only if the main protective bonding is absent
D: If obstacles are in place
20. In the event of the failure of the provision for basic protection, additional protection may be provided by?
A: Supplementary bonding
B: The use of 100mA time delayed RCD’s
C: The use of RCD’s with IΔn not exceeding 30mA
D: Electrical separation
21. Adequate protection from the spread of liquid from static transformer must be taken if the flammable liquid?
A: Is in excess of 25 litres
B: Will not produce materials of combustion]
C: Is less than 25 litres
D: Is less than or in excess of 25 Litres
22. The derating factor for a cable surrounding by thermal insulation for a length of 200mm is?
A: 0.5
B: 0.63
C: 0.75
D: 1.0
23. Measures must be taken within buildings to ensure that floor or ceiling heating systems to not overheat by limiting the temperature to a maximum of?
A: 50˚
B: 60˚
C: 70˚
D: 80˚
24. For an exhibition or show, any cable intended to supply structures must have at it’s orgin an RCD having a rated residual current not exceeding?
A: 30mA
B: 100mA
C: 300mA
D: 500mA
25. Zone 3 of a sauna extends above the floor of zone 2 at a distance from the floor of?
A: 0.5m
B: 1.0m
C: 1.5m
D: 2.0m
26. On agricultural premises an RCD may be used for protection against fire, provided the residual rated value does not exceed?
A: 30mA
B: 150mA
C: 300mA
D: 500mA
27. Socket outlets may be installed in a location containing a bath tub provided they are installed a horizontal distance from zone 1 of not less than?
A: 1m
B: 2m
C: 3m
D: 4m
28. Where protection against electric shock for fixed equipment within a conducting location with restricted movement is provided by class II equipment, supply circuits must have additional protection by the use of?
A: A 30mA RCD
B: A 100mA RCD
C: Supplementary equipotential bonding
D: Double Insulation
29. Details on ring and radial circuit arrangements can be found in
A: Appendix 8
B: Appendix 12
C: Appendix 14
D: Appendix 15
30. Electric dodgems at a fairground must only be operated at a voltage not exceeding?
A: 50 v dc or 120 v ac
B: 50 v ac or 120 v dc
C: 110 v ac or 115 v dc
D: 500 v dc or 400 v ac
Regards Lukescotty
Sample 2382-20 (update for 17th 30 questions) Answers will be posted later
1. BS7671 relates to permanent and temporary installations for?
A: Equipment on board ships
B: Aircraft equipment
C: Marinas
D: Railway traction equipment
2. Bs 7671 applies to?
A: Equipment of aircraft
B: Photovoltaic supplies
C: Distributor’s equipment
D: Electrical equipment of machines
3. In a distribution circuit forming part of a TN system the disconnection time should not exceed?
A: 0.4s
B: 0.2s
C: 0.1s
D: 5s
4. An integrated module/inverter assembly where the electrical interface terminals are ac only is a?
A: PV ac module
B: PELV circuit
C: Low Power supply system
D: Flexible sheet heating system
5. A person who possesses sufficient technical knowledge, relevant practical skills and experience for the nature of the work undertaken and is able at all times to prevent danger and where appropriate injury to him/herself is?
A: A competent person
B: An instructed person
C: A technical person
D: A skilled person
6. The insulation resistance value measured between ine and neutral conductors of 230v domestic installation shold be not less than?
A: 0.25M ohms
B: 0.5M ohms
C: 0.75M ohms
D: 1.00 ohms
7. Every installation should be divided into circuits, as necessary to?
A: Avoid fuse discrimination problems
B: Mitigate risks of electromagnetic interference
C: Prevent unauthorised interference with safety supplies
D: Reduce wiring impracticability
8. For a BS 1361 fuse rated at 20A with a 0.4’s disconnection time, the maximum earth loop impedance value is?
A: 1.77 ohms
B: 2.3 ohms
C: 1.7 ohms
D: 2.8 ohms
9. In a location where a particular risk of fire exists, any temperature cut out device must?
A: Reset automatically
B: Be reset manually only
C: Be at least IP5X
D: Have no reset facility
10. Basic protection may be provided by?
A: Barriers or enclosures to IPXXB or IP2X
B: Insulation of live parts by paint or varnish
C: Supplementary equipotential bonding
D: Back up protection
11. A 6A BS EN 60898 circuit breaker used to protect a circuit with an earth fault loop impedance (Zs) of 3.83 ohms would be type?
A: A
B: B
C: C
D: D
12. Where supplementary equipotential bonding is used as additional protection and doubt exists as to its effectiveness, it must be confirmed that the resistance between exposed and extraneous conductive parts is?
A: ≥ 50v ac / la
B: ≤ 120 v ac / la
C: ≤ 50 v dc / la
D: ≤ 50 v ac / la
13. Insulation monitoring devices must be installed with the line terminals connected to?
A: The neutral point of the power supply
B: An artificial earth point
C: All points of the equipotential bonding
D: All high integrity earths
14. A cable concealed in a wall at a depth less than 50mm must?
A: Incorporate an un-earthed metallic covering
B: Be enclosed in un-earthed conduit
C: Be enclosed in earthed metallic conduit
D: Be protected by a 500mA RCD
15. Socket outlets intended for general use must be protected by an RCD when the socket outlet rating does not exceed?
A: 20A
B: 30A
C: 45A
D: 50A
16. Any socket outlet intended for use by ordinary persons where the rating does not exceed 20A must be protected by an RCD with a residual rating not exceeding?
A: 30mA
B: 32mA
C: 100mA
D: 150mA
17. PV is the abbreviation for?
A. Supplementary Protective Voltage
B. Solar Photovoltaic
C: Preferred Voltage
D: Protective Voltage
18. The insulation resistance between line conductors and the protective conductor connected to the earthing arrangements on a 230vinstallation should have a minimum value of?
A: 0.5 k ohms
B: 1.0 k ohms
C: 0.5 M ohms
D: 1.0 M ohms
19. In ac systems additional protection by RCD’s with a residual rating of 30 mA or less may be used?
A: To replace all other protective devices
B: For outdoor mobiles equipment with a current rating of 32A or less
C: Only if the main protective bonding is absent
D: If obstacles are in place
20. In the event of the failure of the provision for basic protection, additional protection may be provided by?
A: Supplementary bonding
B: The use of 100mA time delayed RCD’s
C: The use of RCD’s with IΔn not exceeding 30mA
D: Electrical separation
21. Adequate protection from the spread of liquid from static transformer must be taken if the flammable liquid?
A: Is in excess of 25 litres
B: Will not produce materials of combustion]
C: Is less than 25 litres
D: Is less than or in excess of 25 Litres
22. The derating factor for a cable surrounding by thermal insulation for a length of 200mm is?
A: 0.5
B: 0.63
C: 0.75
D: 1.0
23. Measures must be taken within buildings to ensure that floor or ceiling heating systems to not overheat by limiting the temperature to a maximum of?
A: 50˚
B: 60˚
C: 70˚
D: 80˚
24. For an exhibition or show, any cable intended to supply structures must have at it’s orgin an RCD having a rated residual current not exceeding?
A: 30mA
B: 100mA
C: 300mA
D: 500mA
25. Zone 3 of a sauna extends above the floor of zone 2 at a distance from the floor of?
A: 0.5m
B: 1.0m
C: 1.5m
D: 2.0m
26. On agricultural premises an RCD may be used for protection against fire, provided the residual rated value does not exceed?
A: 30mA
B: 150mA
C: 300mA
D: 500mA
27. Socket outlets may be installed in a location containing a bath tub provided they are installed a horizontal distance from zone 1 of not less than?
A: 1m
B: 2m
C: 3m
D: 4m
28. Where protection against electric shock for fixed equipment within a conducting location with restricted movement is provided by class II equipment, supply circuits must have additional protection by the use of?
A: A 30mA RCD
B: A 100mA RCD
C: Supplementary equipotential bonding
D: Double Insulation
29. Details on ring and radial circuit arrangements can be found in
A: Appendix 8
B: Appendix 12
C: Appendix 14
D: Appendix 15
30. Electric dodgems at a fairground must only be operated at a voltage not exceeding?
A: 50 v dc or 120 v ac
B: 50 v ac or 120 v dc
C: 110 v ac or 115 v dc
D: 500 v dc or 400 v ac
Regards Lukescotty