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18th Edition Practice
BS 7671:2018+A2:2022
What is the maximum disconnection time for a 230V TN system final circuit not exceeding 32A?
A
0.1 seconds
B
0.4 seconds ✓
C
1 second
D
5 seconds
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18th Edition Wiring Regulations
BS 7671:2018+A2:2022 — Independent Practice
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  • Extensive question bank
  • All 6 topic sections
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Inspection & Testing
2391 — Independent Practice
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  • 290+ practice questions
  • All 6 topic sections
  • Calculation practice
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2391-50 Initial Verification
Initial Verification — Independent Practice
LIVE
  • Initial verification focus
  • Visual inspection
  • Testing & certification
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2391-51 Periodic Inspection & Testing
Periodic Inspection & Testing — Independent Practice
LIVE
  • Periodic inspection focus
  • Reporting & certification
  • Testing procedures
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📋 Level 2 Diploma — 2365
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Unit 201
Health & Safety in Building Services Engineering
L2
  • Legislation & regulations
  • Risk assessment
  • Safe working practices
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Unit 202
Principles of Electrical Science
L2
  • Electrical theory
  • Circuit calculations
  • Electrical science
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Unit 203
Electrical Installations Technology
L2
  • Wiring systems
  • Installation methods
  • Components & accessories
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Unit 210
Communicate within Building Services Engineering
L2
  • Communication skills
  • Technical documents
  • Workplace communication
🎓 Level 3 Diploma — 2365
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Unit 301
Environmental Technology Systems
L3
  • Renewable energy systems
  • Environmental technologies
  • Sustainable installations
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Unit 303
Fault Diagnosis and Rectification
L3
  • Fault finding methods
  • Testing & diagnosis
  • Rectification techniques
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Unit 304
Inspection, Testing and Commissioning
L3
  • Initial verification
  • Periodic inspection
  • Commissioning procedures
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Unit 305
Electrical Systems Design
L3
  • Circuit design
  • Cable selection & sizing
  • Protection coordination
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18th Edition — BS 7671
Wiring Regulations Practice

Full mock exams covering all BS 7671:2018+A2:2022 sections.

Inspection & Testing — 2391
Independent Practice Resource

Comprehensive preparation for the 2391 qualification.

2391-50 Initial Verification
Independent Practice Resource

Initial verification procedures, visual inspection, testing and certification.

2391-51 Periodic Inspection & Testing
Independent Practice Resource

Periodic inspection and testing, reporting, certification procedures.

Level 2 Diploma — 2365 Questions Coming
Unit 201
H&S in Building Services Engineering

Legislation, risk assessment and safe working practices.

Unit 202
Principles of Electrical Science

Electrical theory, principles and circuit calculations.

Unit 203
Electrical Installations Technology

Wiring systems, installation methods and components.

Unit 210
Communicate within Building Services Eng.

Communication skills and technical documentation.

Level 3 Diploma — 2365 Questions Coming
Unit 301
Environmental Technology Systems

Renewable energy, environmental tech and sustainability.

Unit 303
Fault Diagnosis and Rectification

Fault finding methods, testing and rectification.

Unit 304
Inspection, Testing and Commissioning

Initial verification, periodic inspection and commissioning.

Unit 305
Electrical Systems Design

Circuit design, cable selection and protection coordination.

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