UEEEL0039 Design and Verify Compliance of Electrical Installations

Assessment Task Description

• This is the third (3) unit assessment task that student has to successfully complete to be deemed competent in this unit of competency.
• The student is required to complete three activities.
• Activity 1: Make necessary preparations for designing, installing, inspecting and testing electrical installation
• Activity 2: Make a selection of the appropriate system components and perform installations
• Activity 3: Perform a visual inspection, report and test the findings within the electrical installations
• The student must attempt all criteria to the required level, e.g., Assessment criteria mentioned in the performance checklist to be deemed satisfactory in this task.

Applicable conditions:

• Activity 1, 2 and 3 are untimed and conducted as an open book test (the student can refer to textbooks or other learner materials during the test).
• The student must complete the task independently.
• No marks or grades are allocated for this assessment task. The outcome of the task will be Satisfactory or Not Satisfactory.
• Trainer /Assessor must assess student’s practical skills, technique, and knowledge as he/she completes this assessment task.
• The Trainer/Assessor may ask the student relevant questions on this assessment task to ensure that this is his/her own work.

Scenario:

Switch Electronics is a multi-award-winning and popular electrotechnology systems service provider in Melbourne, Victoria.

Switch Electronics is a leading electronic services provider specialising in a wide range of services, including electrical systems, residential and commercial electronic communication services, electrical safety inspections, advanced troubleshooting, electrical maintenance services, appliance maintenance services, and appliance installation service. With a team of experienced and qualified technicians, Switch Electronics is dedicated to providing reliable and high-quality services to its customers. One of the key areas of specialisation for Switch Electronics is testing and connecting transformers for various use cases.

With a commitment to delivering exceptional service and maintaining the highest standards of quality, Switch Electronics is the go-to electronic services provider for all electrical and electronic needs.

Switch Electronics prides itself on providing a safe environment for its employees, customers and other stakeholders. The occupational health and safety procedures within Switch Electronics follow the Work Health and Safety Act of 2011.

Some of the common services provided by Switch Electronics are as follows:

About the project/tasks:

You have joined the operations team of Switch Electronics as an Electronic Technician.

You have been tasked to work for the team at Switch Electronics to conduct different activities related to the design, installation and verification of the compliance and functionality of the general electrical installations. This project is being undertaken to resolve the requirements in a different domestic electric installation setting.

You are required to make necessary preparations for designing, installing, inspecting and testing the electrical installation. Then, you will select appropriate wiring systems, control and protection for the electrical installations. You will install the low-voltage wiring in addition to the associated accessories. You must also install and connect other low-voltage appliances, switch gears and accessories. Finally, you are required to record the installations and test the findings. 

The details on overall work specifications and work instructions for the project are provided in Appendix 3.

All Switch Electronics staff and contractors must follow WHS policies and procedures while carrying out any activities. The Work Health and Safety policies and procedures for Switch Electronics can be obtained from Appendix 2. Moreover, additional information like task-specific workplace procedures and risk preparation measures can also be obtained from Appendix 2.

All the electrical works must comply with the AS/NZS 3000: Electrical Installations.

Your trainer/assessor will provide you with the relevant documentation.

All staff and contractors at Switch Electronics are required to follow all the rules, regulations and laws (federal, state, local) for the jurisdiction they are operating from, including but not limited to the following:

• The Fair Work Act 2009
• Corporations Act 2001
• Privacy Act 1988
• Disability Discrimination Act 1992
• Workplace Health and Safety Act 2011
• National employment standards

Local supply authority requirements (Based on the jurisdiction task is being performed)

Activity 1: Make necessary preparations for designing, installing, inspecting and testing electrical installation

In this activity, you will play the role of Electronics Technician and make the necessary preparations for the overall project of designing, installing, inspecting and testing electrical installation.

This activity has been divided into two sections

Part A:

Firstly, you must identify all the WHS requirements and workplace procedures associated with performing necessary actions to prepare for the overall project. It will include the safe working procedures that need to be followed while working on the project.

You will obtain these requirements and procedures and document them in the space provided below.

Then, you will identify different hazards and risks associated with the overall process. This would include the additional hazards which have not been mentioned in the work instructions. You will assess the identified risks and complete all the risk assessment processes identifying each risk factor's likelihood and potential impact. You must also identify the applicable risk control measures that can be applied to the identified hazards. (Refer to Appendix 2).

You will refer to the provided workplace documentation (Appendix 3) and review the overall project documentation. You will identify the applicable industry standards and the nature of the work activities to be performed. Based on the project's scope, you will identify all the materials required to complete the design, installation, inspection and testing activities.

Moreover, you must identify all the tools, testing devices and equipment needed to carry out the tasks associated with the project. 

You will obtain all the identified tools, components, and testing devices from the inventory and check for the correct operation and safety components. You will record the methodology for testing the correct operations and safety of the gathered equipment and components. You can use the space provided below to document the status of the tested tools and components.

You must document all the collected information in the report template provided below.

While completing this activity, you must follow the organisational risk control measures and workplace procedures. The organisational risk control measures can be obtained from Appendix 2.

Based on the WHS requirements and organisational policies, you will identify the need to perform the test and measure live work in the overall system (Appendix 2). It will help diagnose the faults within the system and ensure operator safety while performing subsequent activities. It also helps optimise the repairing efforts and identifies additional components that need attention other than those specified in the work instructions.

After performing the checks, you are required to check and isolate the components of the system. You are also required to identify the applicable control and protection devices to be used for the project.

Part B:

After completing the tasks mentioned above, you must conduct a meeting session with your workplace supervisor.

Roles and responsibilities

Electronic Technician

You will play the role of the Electronic Technician. You will explain the session's purpose and request any additional information to clarify the scope of the project. 

You will also request advice from your supervisor to ensure proper coordination with other departments. Moreover, you will complete the planning for the installation of the wiring, appliances, switchgear, control gear and additional accessories. You are also required to collect information on the planned location of the appliances, switch gears, accessories and cable routes within the building structure. This planning needs to take the consideration of the other utility services, installation specifications and other regulatory requirements.

During the end of the meeting, you are required to check all the discussed and planned activities to ensure it complies with the work specifications (Appendix 3) and does not include any unwanted damages.

You will document the discussed aspects in the meeting minute template provided below.

Supervisor

Your classmate will play the supervisor’s role during this activity. The supervisor will ask you relevant questions about the information you present and provide necessary information about ensuring cooperation and coordination between the business functions. The supervisor will assist in identifying the project's overall scope. The supervisor will also provide support in completing the plan for the installation of the wiring, appliances, switchgear, control gear and additional accessories. Moreover, the supervisor will help during the final checks to ensure the alignment with the work specifications (Appendix 3) and does not possess any unwanted damage.

Activity 2: Make a selection of the appropriate system components and perform installations

In this activity, you will play the role of electronic technician, conduct and select appropriate system components, and start installing some of the essential components.

This activity has been divided into two sections.

Part A:

You are required to select the appropriate wiring system based on the operating environment for the general installation project (Refer to the Work Instruction, Appendix 3). Then, you will ensure all the applicable industry standards are followed to select cable conductor sizes that meet the requirements for current-carrying capacity, voltage drop, and earth fault-loop impedance limitations. You will then use the industry technical standards to select protective devices that meet the coordination and discrimination requirements for overload and short circuit protection, including the required switching and tripping currents. These standards can be obtained from Appendix 3.

Afterwards, you will select the earthing system requirements to meet the multiple-earthed neutral (MEN) system based on industry standards. You will also identify the residual current devices (RCDs) for meeting the appropriate circuit switching and tripping currents. Then, you will select the appropriate switchgear or control gear based on the environmental conditions to meet the applicable current and voltage requirements. These activities are to be performed for all the components of the system, including the main switchboard, three-phase load circuit and the secondary distribution board. Following relevant industry technical standards, control and protective devices, links, safety services, and other distributor equipment, you are required to arrange the switchboards.

You will be performing these tasks on a domestic installation system as mentioned in the work instructions (Appendix 3).

You are required to follow all the applicable technical standards (Appendix 3) as well as organisational risk control policies and procedures (Appendix 2) while completing these tasks.

You need to document all the identified information in the template provided below.

For the successful completion of this activity, you are required to complete the following activities:

• Select the appropriate wiring system based on the operating environment for the general installation project
• Select cable conductor sizes that meet the requirements for current-carrying capacity, voltage drop, and earth fault-loop impedance limitations
• Select protective devices that meet the necessary coordination and discrimination requirements for overload and short circuit protection, including the required switching and tripping currents
• Select the earthing system requirements to meet the multiple-earthed neutral (MEN) system based on industry standards
• Identify the residual current devices (RCDs) for meeting the appropriate circuit switching and tripping currents
• Select the appropriate switchgear or control gear based on the environmental conditions to meet the applicable current and voltage requirements.
• Arrange the switchboards based on the industry technical standards, control and protective devices, links, safety services, and other distributor equipment
• Complete the provided template with the appropriate information:
  • Appropriate wiring system
  • Cable conductor sizes
  • Protective devices
  • Earthing system requirements
  • Residual current devices
  • Switchgear and control gear
  • Arrangement of switchboards

Part B:

In this activity, you will play the role of electronic technician, conduct and select appropriate system components, and start installing some of the essential components.

This activity has been divided into two sections.

Part A:

You are required to select the appropriate wiring system based on the operating environment for the general installation project (Refer to the Work Instruction, Appendix 3). Then, you will ensure all the applicable industry standards are followed to select cable conductor sizes that meet the requirements for current-carrying capacity, voltage drop, and earth fault-loop impedance limitations. You will then use the industry technical standards to select protective devices that meet the coordination and discrimination requirements for overload and short circuit protection, including the required switching and tripping currents. These standards can be obtained from Appendix 3.

Afterwards, you will select the earthing system requirements to meet the multiple-earthed neutral (MEN) system based on industry standards. You will also identify the residual current devices (RCDs) for meeting the appropriate circuit switching and tripping currents. Then, you will select the appropriate switchgear or control gear based on the environmental conditions to meet the applicable current and voltage requirements. These activities are to be performed for all the components of the system, including the main switchboard, three-phase load circuit and the secondary distribution board. Following relevant industry technical standards, control and protective devices, links, safety services, and other distributor equipment, you are required to arrange the switchboards.

You will be performing these tasks on a domestic installation system as mentioned in the work instructions (Appendix 3).

You are required to follow all the applicable technical standards (Appendix 3) as well as organisational risk control policies and procedures (Appendix 2) while completing these tasks.

You need to document all the identified information in the template provided below.

For the successful completion of this activity, you are required to complete the following activities:

• Select the appropriate wiring system based on the operating environment for the general installation project
• Select cable conductor sizes that meet the requirements for current-carrying capacity, voltage drop, and earth fault-loop impedance limitations
• Select protective devices that meet the necessary coordination and discrimination requirements for overload and short circuit protection, including the required switching and tripping currents
• Select the earthing system requirements to meet the multiple-earthed neutral (MEN) system based on industry standards
• Identify the residual current devices (RCDs) for meeting the appropriate circuit switching and tripping currents
• Select the appropriate switchgear or control gear based on the environmental conditions to meet the applicable current and voltage requirements.
• Arrange the switchboards based on the industry technical standards, control and protective devices, links, safety services, and other distributor equipment
• Complete the provided template with the appropriate information:
  • Appropriate wiring system
  • Cable conductor sizes
  • Protective devices
  • Earthing system requirements
  • Residual current devices
  • Switchgear and control gear
  • Arrangement of switchboards

Part B:

After the completion of the provided template, you will install low-voltage wiring and associated accessories. Then, you will install and connect the low-voltage appliances, switchgear and other accessories on the system.

You are firstly required to install and terminate wiring and accessories based on the technical standards and job specifications. You need to install and terminate cables and conductors to the previously installed accessories. While performing this activity, you are required to follow all the manufacturer specifications and regulatory requirements.

Moreover, you need to conduct periodic compliance and safety inspection, including functionality tests of the circuit. You are required to follow a systematic troubleshooting methodology to identify defects and rectify the identified problems and discrepancies.

Similarly, you are required to install all other appliances, switchgear and other accessories (selected in Part 1) in compliance with the technical standards and job specifications and requirements. The installation is required to ensure access for effective terminations, adjustments and maintenance. The wiring within the appliances, switchgear and accessories needs to be terminated based on the functional, manufacturer and regulatory requirements. You are also required to ensure continuous compliance and safety inspections of the installed components. During the inspection, you are required to undertake systematic troubleshooting and ensure all the identified defects are correctly rectified.

For the successful completion of this activity, you are required to complete the following activities:

 Install and terminate wiring and accessories based on the technical standards and job specifications

• Install and terminate cables and conductors to the previously installed accessories
• Follow all the manufacturer specifications and regulatory requirements
• Conduct periodic compliance and safety inspection including functionality tests of the circuit
• Follow a systematic troubleshooting methodology for the identification of defects and rectify the identified problems and discrepancies
• Conduct periodic compliance and safety inspection including functionality tests of the circuit
• Install all other appliances, switchgear and other accessories (selected in Part 1) in compliance with the technical standards and job specifications and requirements
• Ensure access to effective terminations, adjustments and maintenance
• Wiring within the appliances, switchgear and accessories is terminated based on the functional, manufacturer and regulatory requirements
• Ensure continuous compliance and safety inspections of the installed components
• Undertake systematic troubleshooting and ensure all the identified defects are correctly rectified

Your trainer/assessor will play the role of supervisor for this activity.

The project specifications and workplace documentation are provided in Appendix 3. You can refer to Appendix 2 for detailed information on the Work Health and safety procedures and organisational requirements.

You can refer to the provided scenario, Appendix 3 and Appendix 2 and research the internet to complete this activity.

Activity 3: Perform a visual inspection, report and test the findings within the electrical installations

In this activity, you will play the role of electronic technician and perform a visual inspection and conduct safety and functionality tests on the electrical installations performed in the previous activity.

This activity has been divided into two sections.

Part A:

You are required to perform an assessment of the installed wirings regarding their suitability within the environment and confirm their protection from damages and overhearing based on industry standards. You are also required to ensure that the cable conductor sizes comply with the current-carrying capacity, voltage-drop, and fault-loop impedance limitations based on industry standards. The compliance of protective devices and equipment with industry standards is validated to ensure that they fulfil the coordination criteria for safeguarding against overloads and short circuits. The rating of switchgear and control gear is checked to ensure their suitability and adherence to functional specifications following applicable industry standards.

You will perform the insulation resistance test for the overall system. It includes all the components from the central system (mains), sub-mains, final sub-circuits, three-phased circuits and the power outlets. To perform an insulation resistance test, an insulation resistance tester or a megohmmeter is needed. Before starting the test, it is crucial to ensure that the equipment is de-energised and properly grounded. Next, the equipment to be tested must be disconnected from the circuit and cleaned to remove any dirt or oil that may affect the test results.

The leads of the insulation resistance tester are then connected to the equipment to be tested, and a DC voltage is applied. It is important to wait for the readings to stabilise before recording the insulation resistance reading, which is usually expressed in megaohms (MΩ). The recorded reading is then compared with the manufacturer's specifications or industry standards to determine if the insulation is adequate.

Then, you will inspect the earthing systems and components to ensure they are located correctly and verify the associated conductor selection sizes. You will perform an earth continuity test for the main earthing conductor of the system. It is comprised of the protective earthing and neutral (PEN) conductors and bonds them based on task instructions You will also determine the polity of the active, neutral and earth conductors based on the regulatory requirements.

In compliance with the regulatory requirements, the testing is conducted to verify the accurate connections of active, neutral, and protective earthing conductors, ensuring there are no short circuits between conductors, no transposition of conductors that could lead to the earthing system or exposed conductive parts becoming energised, and no interconnection of conductors between different circuits. Moreover, you are also required to ensure that the verification of the earth fault loop impedance limitations is based on the regulator requirements.

 You will also refer to the markings present in the switchboards for accuracy, clarity and compliance with the requirements. You are required to perform tests to confirm that the fault-loop impedance is adequately low and that the RCDs function in compliance with the relevant industry standards.

You are required to ensure that the electrical inspection and testing activities are documented and verified. For the verification, you are required to refer to the provided WHS/OHS safety regulations. All the mandatory tests are required to comply with industry standards.

You need to document all the identified information in the template provided below.

For the successful completion of this activity, you are required to complete the following activities:

• Assess the installed wirings regarding their suitability within the environment and confirm their protection from damages and overhearing based on industry standards
• Ensure that the cable conductor sizes comply with the current-carrying capacity, voltage-drop, and fault-loop impedance limitations based on industry standards
• Validate the compliance of protective devices and equipment with industry standards to fulfil the coordination criteria for safeguarding against overloads and short circuits
• Check the rating of switchgear and control gear to ensure their suitability and adherence to functional specifications following applicable industry standards
• Inspect the earthing systems and components to ensure they are located correctly and verify the associated conductor selection sizes
• Refer to the markings present in the switchboards for accuracy, clarity and compliance with the requirements
• Perform tests to confirm that the fault-loop impedance is adequately low and that the RCDs function in compliance with the relevant industry standards
• Ensure that the electrical inspection and testing activities are documented and verified
• Conduct all the mandatory tests which comply with industry standards

Follow all the applicable WHS/OHS procedures and risk control work completion measures and procedures

Part 2:

After the completion of all the mandatory testing activities, you are required to identify any non-compliance with the regulated requirements and report them based on workplace procedures. You are required to complete the provided report templates based on the obtained information during the checks. The report needs to include the following information:

• Identified non-compliance defects and their causes
• Recommendations for rectification of defects
• Processes to ensure the workplace is cleaned and made safe

Based on the workplace procedures, you are required to complete the provided report and submit it to your supervisor. You need to complete the provided email template and attach the developed report. Your trainer/assessor will play the role of the supervisor during this activity.

After completing the activities, you are required to clean the workplace and make it safe according to workplace procedures (Appendix 2).

For the successful completion of this activity, you are required to complete the following activities:

• Identify any non-compliance with the regulated requirements and report them based on workplace procedures
• Complete the provided report templates based on the obtained information during the checks
• Identified non-compliance defects
• Recommendations for rectification of defects
• Processes to ensure the workplace is cleaned and made safe
• Complete the provided email template and attach the developed report
• Clean the workplace and make it safe according to workplace procedures

Your trainer/assessor will observe you while performing the abovementioned activities. Moreover, you are required to document all the performed activities in the template provided below.

The project specifications and workplace documentation are provided in Appendix 3. You can refer to Appendix 2 for detailed information on the Work Health and safety procedures and organisational requirements.

You can refer to the provided scenario, Appendix 2 and Appendix 3 and research the internet to complete this activity.

Assessment Requirements – Overview

The third unit assessment task requires the student to complete three major activities as part of their role at Switch Electronics (a simulated workplace scenario):

1. Activity 1 – Preparation for Electrical Installations

   • Identify and document WHS requirements, safe work practices, hazards, and risk control measures.
   • Collect tools, equipment, and materials required for the design, installation, and testing.
   • Plan with a supervisor to ensure compliance with industry standards and project specifications.

2. Activity 2 – Selection & Installation of System Components

   • Choose appropriate wiring systems, conductor sizes, protective devices, switchgear, RCDs, and earthing systems in line with AS/NZS 3000 standards.
   • Install and connect low-voltage wiring, appliances, switchgear, and accessories as per technical standards and manufacturer’s specifications.
   • Conduct inspections, compliance checks, and troubleshooting to rectify faults.

3. Activity 3 – Visual Inspection, Testing & Reporting

   • Inspect installed wiring and equipment for suitability, protection, and compliance.
   • Perform insulation resistance, earth continuity, polarity, and fault-loop impedance tests.
   • Document all findings, identify non-compliance issues, recommend rectifications, and submit reports.
   • Ensure workplace is cleaned and made safe after activities.

The assessment is open-book, untimed, and assessed on a Satisfactory/Not Satisfactory basis. It requires strict adherence to WHS policies, industry regulations, and workplace procedures.

Mentor’s Step-by-Step Guidance in Completing the Assessment

Step 1 – Understanding the Scope & Compliance Needs (Activity 1)

The academic mentor first guided the student to carefully study the project scenario, Appendix 2 (WHS procedures), and Appendix 3 (technical work instructions). Together, they listed:

• WHS obligations under the Work Health and Safety Act 2011.
• Potential hazards (live electrical components, faulty tools, fire risks) and risk control measures.
• The required tools, testing devices, and materials, ensuring they were tested for safety before use.

The mentor then simulated a supervisor meeting, showing the student how to document planning discussions, align installation plans with building structures, and confirm compliance with industry standards.

Step 2 – Component Selection & Installation (Activity 2)

The mentor guided the student to:

• Select cables and conductor sizes based on voltage drop, fault-loop impedance, and load requirements.
• Identify protective devices such as fuses, RCDs, and breakers suited to overload and short-circuit protection.
• Choose earthing systems and switchgear suitable for domestic installations.
• Arrange switchboards in compliance with AS/NZS 3000.

Once selection was complete, the mentor walked the student through the installation process:

• Installing and terminating wiring/accessories as per manufacturer’s guidelines.
• Connecting low-voltage appliances and switchgear.
• Conducting functionality tests and troubleshooting faults systematically.

Step 3 – Inspection, Testing & Reporting (Activity 3)

In the final activity, the mentor demonstrated how to:

• Perform visual inspections for wiring protection, damage, and compliance.
• Carry out insulation resistance tests, polarity tests, earth continuity checks, and fault-loop impedance verification using industry-standard equipment.
• Validate switchgear ratings, RCD performance, and system compliance.
• Document results in templates, record non-compliance issues, and provide recommendations for rectification.
• Complete final reports and submit them via workplace-style email templates.
• Reinforce the importance of cleaning the site and leaving it safe.

Outcome & Learning Objectives Achieved

By the end of the assessment, the student had:

• Gained hands-on experience in designing, preparing, and planning electrical installations.
• Learned to identify risks, apply WHS requirements, and comply with workplace safety procedures.
• Developed technical skills in selecting wiring systems, installing equipment, and testing systems.
• Practiced professional skills in report writing, documentation, and workplace communication.
• Understood the importance of compliance with industry standards (AS/NZS 3000) and legal frameworks.
• Achieved competency in practical electrical installation tasks, inspections, and fault rectification.

The mentor’s step-by-step guidance ensured that each activity was not just completed but also reinforced the real-world application of technical knowledge, problem-solving, and safety compliance covering both practical and theoretical learning outcomes.

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