SAQA All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.
SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Interpret, read and produce electrical working drawings 
SAQA US ID UNIT STANDARD TITLE
263006  Interpret, read and produce electrical working drawings 
ORIGINATOR
SGB Civil Engineering Construction 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 12 - Physical Planning and Construction Physical Planning, Design and Management 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 4  NQF Level 04  8 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard replaces: 
US ID Unit Standard Title Pre-2009 NQF Level NQF Level Credits Replacement Status
14489  Identify, interpret and produce electrical working drawings  Level 4  NQF Level 04  8   

PURPOSE OF THE UNIT STANDARD 
This unit standard provides a broad introduction to the producing of electrical working drawings. It is the starting point for a learner in this sector. The focus is knowledge, skills, values and attitudes in relation to the learner's own context and experience of the world of work.

The qualifying learner will be capable of:
  • Explaining the principles of electricity and the purpose of electrical draughting.
  • Explaining the generation and distribution of electricity.
  • Demonstrating an understanding of the wiring of premises.
  • Defining and drawing electrical/electronic graphic symbols and diagrams.
  • Describing and drawing the control and protection of electric motors.
  • Demonstrating an understanding of interior and exterior lighting design. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
  • Communication at NQF Level 3.
  • Mathematical literacy at NQF Level 3. 
    		•

    UNIT STANDARD RANGE 
    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Explain the principles of electricity and the purpose of electrical draughting. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The basic concepts of electricity are explained in accordance with standard industry definitions. 
    ASSESSMENT CRITERION RANGE 
    Range of basic concepts include, but are not limited to:
  • Of electricity will include current flow, voltage, resistance and resistivity, factors that determines resistance, types of electrical supplies (AC and DC), inductance and capacitance.
     
    		•

    ASSESSMENT CRITERION 2 
    Electromagnetic principles are explained using a drawing according to standard industry practice. 
    ASSESSMENT CRITERION RANGE 
    Range electro magnetic principles include, but are not limited to:
  • Characteristics of a magnetic field, magnetic field around a current carrying conductor, solenoid and relay, core, turns and polarity.
     
    		•

    ASSESSMENT CRITERION 3 
    The purpose of electrical draughting is explained according to organisational requirements. 

    ASSESSMENT CRITERION 4 
    The purpose of special publications is explained according to organisational requirements. 
    ASSESSMENT CRITERION RANGE 
    Range of Special publications include, but are not limited to:
  • SABS 0142; Code of Practice for the Wiring of Premises, SABS 0144; Code of Practice for Interior Lighting (Artificial), IEC Publication 27; Letter Symbols to be used in Electrical Technology, IEC Publication 50; International Electro technical Vocabulary, IEC Publication 113; Diagrams, Charts and Tables, IEC Publication 617; Graphical Symbols for Diagrams, IEC Publication 750; Item Designation.
     
    		•

    ASSESSMENT CRITERION 5 
    The uses of measuring instruments are explained and connection diagrams are produced according to standard industry practice. 
    ASSESSMENT CRITERION RANGE 
    Range of measuring instruments includes, but is not limited to:
  • Voltmeter, ammeter, ohm-meter, watt meter and kilowatt-hour meter.
     
    		•

    ASSESSMENT CRITERION 6 
    The purpose of electronic components and electrical units are explained in terms of their practical uses. 
    ASSESSMENT CRITERION RANGE 
    Range of electrical components includes, but is not limited to:
  • Resistor, variable resistor, potentiometer heating element and capacitor.
     
    		•

    SPECIFIC OUTCOME 2 
    Explain the generation and distribution of electricity. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The basic principles of AC power generation are explained in relation to components. 
    ASSESSMENT CRITERION RANGE 
    Range of AC power generation includes, but is not limited to the following types:
  • Hydro electrical, coal and nuclear. DC power generation will include the following types DC generators, rectified AC and chemical (batteries). Power transmission/distribution will include the following: Overhead power lines, cables, substations, transformers, rectifiers, switchgear, protection devices and kiosks in a ring feed system.
     
    		•

    ASSESSMENT CRITERION 2 
    The basic principles of DC power generation are described in relation to components. 

    ASSESSMENT CRITERION 3 
    The basic principles of power transmission/distribution are explained in accordance with standards industry definitions. 

    ASSESSMENT CRITERION 4 
    A single line diagram of a typical high-voltage reticulation system is drawn within agreed timeframes. 

    SPECIFIC OUTCOME 3 
    Explain wiring of premises. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    SANS (South African National Standards) 0142 Code of Practice for the wiring of premises is applied in relation to electrical installation drawings. 
    ASSESSMENT CRITERION RANGE 
    Range of premises include, but are not limited to:
  • Domestic, commercial and industrial.
     
    		•

    ASSESSMENT CRITERION 2 
    A circuit diagram of distribution boards is produced within agreed timeframes. 

    ASSESSMENT CRITERION 3 
    Balancing the load on a three-phase system is explained in accordance with standard industry practice. 

    ASSESSMENT CRITERION 4 
    Electrical installation symbols are located in the drawings in accordance with standard industry practice. 

    SPECIFIC OUTCOME 4 
    Define and draw electrical/electronic graphic symbols and diagrams. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The purpose of the different types of electrical diagrams are explained according to organisational requirements. 

    ASSESSMENT CRITERION 2 
    Electrical/electronic symbols are defined in accordance with standard industry definitions. 
    ASSESSMENT CRITERION RANGE 
    Range of electrical units and symbols include, but are not limited to:
  • Resistance (ohm-W); voltage (volt-V); current (ampere-A); inductance (henry-H); capacitance (farad-F); power (watt-W); time (seconds-s; hours-h); energy (joule-J; kilowatt-hours-kWh); frequency (hertz-Hz); magnetic flux density (tesla-T); illuminance (lux-lx); flux (lumen-lm). Greek alphabet: (alpha, beta, theta, mu, pi, rho, sigma, phi and omega.
     
    		•

    ASSESSMENT CRITERION 3 
    Graphic symbols for electrical diagrams are defined and drawn according to standard industry definitions. 

    ASSESSMENT CRITERION 4 
    Electrical/electronic diagrams are drawn, labeled and cross-referenced according to IEC publications. 

    ASSESSMENT CRITERION 5 
    A stock list of components is drawn up for a specific circuit diagram. 

    ASSESSMENT CRITERION 6 
    An electrical/electronic drawing is produced in agreed format and within timeframes. 

    SPECIFIC OUTCOME 5 
    Describe and draw the control and protection of electric motors. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    The characteristics of DC motors are described in relation to their purpose according to standard industry practice. 
    ASSESSMENT CRITERION RANGE 
    Range of DC motors include, but are not limited to:
  • Shunt and series motors. AC motors will include squirrel cage and slip ring motors.
     
    		•

    ASSESSMENT CRITERION 2 
    The characteristics of AC motors are described in relation to their purpose according to standard industry practice. 

    ASSESSMENT CRITERION 3 
    The nature and characteristics of control and protection is described in relation to their purpose according to standard industry practice. 
    ASSESSMENT CRITERION RANGE 
    Range of single and three phase motor control (starting, speed control, stopping, and change of direction and protection) include, but is not limited to:
  • Mechanical switches, contactors, circuit breakers, star-delta, forward reverse and capacitor start.

    Range of motor protection includes, but is not limited to:
  • Thermal, overcurrent and undervoltage protection.
     
    		•

    ASSESSMENT CRITERION 4 
    A circuit diagram of a DC motor is produced within agreed timeframes. 
    ASSESSMENT CRITERION RANGE 
    Range of distribution board circuit items include, but are not limited to:
  • Incoming cabling and protective devices, busbars, phase indication, load balancing, sub circuit protection and indication, earth leakage protection, water heating control circuitry (industrial installations), current ratings and cable sizes.
     
    		•

    ASSESSMENT CRITERION 5 
    A free-hand drawing of a squirrel cage rotor is produced within agreed timeframes. 

    ASSESSMENT CRITERION 6 
    A labeled connection diagram of a three phase motor starter is produced within agreed timeframes. 

    ASSESSMENT CRITERION 7 
    A multi-line circuit diagram of a three phase motor starter is converted into a single line diagram within agreed timeframes. 

    ASSESSMENT CRITERION 8 
    Cable sizes and circuit breaker ratings for AC motors are calculated according to specifications and organisational requirements. 

    SPECIFIC OUTCOME 6 
    Demonstrate an understanding of interior and exterior lighting design. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Basic principles of lighting design are described according to standard industry definitions and organisational requirements. 
    ASSESSMENT CRITERION RANGE 
    Range of lighting designs principles include, but are not limited to:
  • Minimum specified illumination levels, glare levels, environmental factors such as reflective properties of floors, walls and ceilings, office/industrial/domestic application as well as pollution levels and hazardous environments.
     
    		•

    ASSESSMENT CRITERION 2 
    SABS 0114 code of practice for interior lighting is explained in terms of its provisions. 

    ASSESSMENT CRITERION 3 
    Approaches to counteract the negative effects of glare are explained according to standard industry definitions and organisational requirements. 

    ASSESSMENT CRITERION 4 
    Types of lamps are described according to their applications. 
    ASSESSMENT CRITERION RANGE 
    Range of lamp types include, but are not limited to:
  • Incandescent, fluorescent, mercury, sodium and metal halide.
     
    		•

    ASSESSMENT CRITERION 5 
    Types of luminaries are described according to their applications. 
    ASSESSMENT CRITERION RANGE 
    Range of luminaires include, but are not limited to:
  • Commercial, industrial, diffused, anti-corrosive and protected types.
     
    		•

    ASSESSMENT CRITERION 6 
    Types of specialised lighting are described according to their applications. 

    ASSESSMENT CRITERION 7 
    Types of exterior lighting are described according to their applications. 
    ASSESSMENT CRITERION RANGE 
    Range of exterior lighting includes, but are not limited to:
  • Security (perimeter), street, medium and high mast lighting.
     
    		•

    ASSESSMENT CRITERION 8 
    A lighting layout drawing using appropriate symbols is drawn within agreed timeframes. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • Any institution offering learning that will enable achievement of this Unit Standard must be accredited by the relevant ETQA.
  • External Moderation of assessment will be overseen by the relevant ETQA at its discretion.
  • The accredited Training Provider will oversee internal moderation of assessment.
  • Internal and external moderation should encompass achievement of competence described in the specific outcomes of the unit standard as well as the integrated competence described in the purpose of the unit standard. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
    The qualifying learner will be able to understand and explain relevant aspects of the following:
  • Principles of electricity and electronics.
  • Regulations for wiring premises.
  • Local authority wiring regulations.
  • Regulations and design of interior and exterior lighting.
  • National Building Standards.
  • Line drawings.
  • Schematics.
  • Electrical panel layouts.
  • SANS (South African National Standards) 0142. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems related to the practice of Computer Aided Design in which responses display that critical thinking is used for responsible decision making. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others as a member of a team, group, organization or community in Computer Aided Design office practice. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities responsibly and effectively in the provision of Computer Aided Design services. 

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information about drawings in order to apply Computer Aided Design practice. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively using appropriate modes of oral and/or written persuasion in dealing with all internal and external role-players to achieve the desired CAD drawing. 

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
    This unit standard replaces unit standard 14489, "Identify, interpret and produce electrical working drawings", Level 4, 8 credits. 

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Elective  66071   Further Education and Training Certificate: Computer Aided Drawing Office Practice (CAD)  Level 4  NQF Level 04  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  CETA 
    Elective  79406   National Certificate: Maintenance Coordination  Level 5  NQF Level 05  Passed the End Date -
    Status was "Reregistered"     		 2015-06-30  MERSETA 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    1. African Academey for the Built Environment NPC 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.