Electrical Systems And Construction NCV Level 3 — Memo

November 2020 — NCV Level 3 — Electrical Systems And Construction

NCV Level 3 2020 NCV Engineering

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Questions — A Preview of What to Expect in the Document

This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.

Q1— Section header —

1.1A person who undertakes to perform electrical installation work on behalf of any other person, but excludes an employee of such first mentioned person. m vertically downwards from the outer edge of the surface.

1.3An antenna (including a satellite dish\ shall be bonded to the installation earth system Use a suitable symbol orientation. Pay attention to the arrangement of symbols on the diagram. Pay attention to the routing of interconnections.

Q2— Section header —

2.1To confirm the efficiency of an earthing system. (1\

2.2FIGURE 1 (6\

2.4at the supply to the installation. The earth fault detection and disconnecting device should be able to operate at a current Plug the earth leakage circuit breaker tester into any socket outlet and then switch on the socket

2.6.3The earth leakage relay should trip 100% of its rated residual current. (1\

2.7A certificate of compliance may be issued for the addition or alteration (2\ [25] Distribution board Plug Switch Lamp holder25

Q3— Section header —

3.1The employer needs to provide employees with personal protective equipment. (2\

3.2Voltage between phases Voltage between phases and earth Voltage across undischarged capacitors Voltage on disconnected neutral conductors Multiple supply sources Voltages between live exposed conductors, including metal structures,

3.4Open circuit in neutral conductor Live or neutral conductor touching earth conductor Loose wiring at various terminals Open circuit in element Insulation failure in element Damaged thermostat Damaged isolator

Q4— Section header —

4.1.1alse

4.1.2alse

4.1.3rue

4.1.4rue

4.1.5rue

4.1.6alse

4.1.7alse

4.1.8rue

4.1.9rue

4.1.1010

Q5— Section header —

5.1

5.2Check for hot connections Check for damaged conductor insulation Conduct a continuity test on conductors Increases losses in power distribution systems and results in increased energy costs. Larger cables and switchgear are necessary to supply a given load.

5.4Regulation 6.14.2.1: Surface mounted luminaires shall be selected and installed [15]15

Q6— Section header —

6.1.5

6.2It converts the variable direct current (DC\ output of a photovoltaic solar panel into alternating current (AC\ (that can be fed into a domestic or commercial load\. (2\

6.3Conduction Convection Radiation [10] TOTAL:10

Topics Identified

Business Plan

Mark Allocation

Sections25 + 25 + 15 + 10 + 15 + 10 = 100 marks

Paper information

TitleMemo

SubjectElectrical Systems And Construction

LevelNCV Level 3

Document typeQuestion paper

Year2020

MonthNovember

Pages7

Downloads4

Examination context

Decade2020s

Years ago6y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2020

Days since exam2,169

About Electrical Systems And Construction examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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File size201 KB

Pages7

Archived on8 September 2026

File age45d

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