Physical Planning and Construction Electrical Infrastructure Construction

Three Phase Industrial Commercial Electrical Installation Testing Inspection Training

SAQA US 113894 | NQF 4 | Credits 10 | Duration 7 Days
From $1,523 per delegate

Description

This course equips learners with the skills to safely test and inspect three-phase industrial and commercial electrical installations in compliance with SANS 10142-1 (The Wiring of Premises) and relevant South African regulations. Learners will gain practical competence in conducting pre-commissioning tests, verifying installation integrity, and documenting results. The training ensures adherence to occupational health and safety standards, reducing electrical hazards in workplaces.

Learning Outcomes

  • Apply testing procedures to verify the safety and functionality of three-phase electrical installations.
  • Analyze test results to identify non-conformances and recommend corrective actions.
  • Evaluate installation compliance with SANS 10142-1 and relevant regulations.
  • Implement inspection techniques to assess earthing, bonding, and insulation integrity.
  • Demonstrate proper use of testing instruments such as insulation testers, earth fault loop impedance testers, and phase rotation meters.
  • Document inspection findings and complete required certification reports.

Target Audience

This course is designed for electricians, electrical contractors, maintenance technicians, and inspectors who are responsible for testing and inspecting three-phase electrical installations in industrial and commercial settings. It is also suitable for individuals seeking formal recognition of their competence in electrical installation verification.

Prerequisites

Learners must have a valid Electrician’s qualification (e.g., NQF Level 4 Electrical Engineering) or equivalent experience, plus basic knowledge of three-phase systems.

Course Outline

Day 1: Introduction to Three Phase Systems and Regulations

Objectives:
• Understand the fundamentals of three phase electrical systems.
• Identify relevant South African regulations and standards (SANS 10142-1, OHS Act).
• Recognise the roles and responsibilities of a competent person.
• Explain the importance of testing and inspection for safety and compliance.

Topics:
• Overview of three phase power generation and distribution.
• Star and delta configurations.
• Voltage, current, and power relationships in three phase systems.
• Introduction to SANS 10142-1: The wiring of premises.
• Legal requirements for testing and inspection.
• Roles of the electrical contractor, inspector, and user.
• Safety precautions and personal protective equipment (PPE).
• Documentation and reporting requirements.

Day 2: Test Instruments and Measurement Techniques

Objectives:
• Select and use appropriate test instruments for three phase installations.
• Perform basic measurements of voltage, current, and resistance.
• Understand the principles of insulation resistance testing.
• Demonstrate safe use of test equipment.

Topics:
• Types of test instruments: multimeters, insulation testers, phase rotation meters.
• Calibration and accuracy requirements.
• Measuring line and phase voltages.
• Current measurement using clamp meters.
• Continuity testing of protective conductors.
• Insulation resistance testing: procedure and interpretation.
• Phase rotation and sequence testing.
• Recording and interpreting test results.

Day 3: Inspection of Three Phase Installations

Objectives:
• Conduct a visual inspection of three phase electrical installations.
• Identify common defects and non-compliances.
• Verify correct earthing and bonding arrangements.
• Assess the condition of switchgear, distribution boards, and cables.

Topics:
• Visual inspection checklist per SANS 10142-1.
• Inspection of distribution boards: labelling, barriers, and clearances.
• Checking cable sizes and routing.
• Earthing systems: TN, TT, IT configurations.
• Equipotential bonding and supplementary bonding.
• Inspection of protective devices: MCBs, RCDs, fuses.
• Identification of overheating, corrosion, and mechanical damage.
• Documentation of inspection findings.

Day 4: Testing of Protective Devices and Earth Fault Loop Impedance

Objectives:
• Test the operation of RCDs and MCBs.
• Measure earth fault loop impedance (Z_s).
• Verify prospective short-circuit current (PSCC).
• Interpret test results against regulatory limits.

Topics:
• RCD testing: trip time and current.
• Types of RCDs and their applications.
• MCB testing: overload and short-circuit characteristics.
• Earth fault loop impedance: theory and measurement.
• PSCC measurement and its significance.
• Testing of three phase circuits.
• Calculation of maximum Z_s values.
• Troubleshooting common issues.

Day 5: Insulation Resistance and Polarity Testing

Objectives:
• Perform insulation resistance tests on three phase circuits.
• Conduct polarity tests to ensure correct connections.
• Verify phase sequence and motor rotation direction.
• Understand the impact of moisture and contamination on insulation.

Topics:
• Insulation resistance testing of three phase cables and motors.
• Test voltages and minimum acceptable values.
• Testing between phases, phase to earth, and phase to neutral.
• Polarity testing of sockets and switches.
• Phase sequence testing for motors.
• Effects of temperature and humidity on insulation readings.
• Record keeping and certification.
• Case studies of insulation failures.

Day 6: Functional Testing and Commissioning

Objectives:
• Perform functional tests on three phase equipment.
• Commission a three phase installation.
• Verify correct operation of control circuits and interlocks.
• Prepare a test report and certificate of compliance.

Topics:
• Functional testing of motor starters and contactors.
• Verification of control circuit voltages.
• Testing of emergency stop and safety interlocks.
• Load testing and performance verification.
• Commissioning procedures for three phase panels.
• Filling in the test report (Annexures).
• Issuing a Certificate of Compliance (CoC).
• Handover documentation and client instruction.

Day 7: Integration, Troubleshooting, and Assessment

Objectives:
• Integrate all testing and inspection procedures.
• Diagnose and rectify common faults in three phase installations.
• Apply knowledge to practical scenarios.
• Complete a final assessment.

Topics:
• Review of all testing and inspection methods.
• Troubleshooting techniques for three phase systems.
• Fault finding in distribution boards and circuits.
• Interpreting complex test results.
• Practical assessment: inspect and test a simulated installation.
• Written assessment on regulations and theory.
• Feedback and course evaluation.
• Certification and next steps.

Practicals

24 hours of practicals To be conducted online or on-campus or in-house
Overview

The practicals provide hands-on experience in testing and inspecting three phase electrical installations using actual equipment. Learners apply theoretical knowledge to real-world scenarios, ensuring competence in using test instruments and interpreting results.

Practical Activities
  • Practical 1: Test Instrument Familiarisation and Basic Measurements — Learners use multimeters, insulation testers, and phase rotation meters to measure voltage, current, resistance, and phase sequence on a three phase training panel. (6h)
  • Practical 2: Inspection and Testing of a Three Phase Distribution Board — Learners conduct a visual inspection and perform insulation resistance, earth fault loop impedance, and RCD tests on a simulated distribution board. (6h)
  • Practical 3: Motor Control Circuit Testing and Commissioning — Learners test a three phase motor starter circuit, including functional testing of contactors, overloads, and emergency stops, and verify motor rotation. (6h)
  • Practical 4: Integrated Fault Finding and Certification — Learners are presented with a three phase installation with pre-set faults. They must diagnose and rectify the faults, then produce a test report and certificate of compliance. (6h)

Summatives

Each delegate is assessed continuously throughout the course via daily exercises, scored practical assignments, and a final summative test at the end.

Practical Assignments — 30%

Practical assignments are observed and scored against a rubric during the practical sessions. Each delegate's practical mark is averaged into a single 100% score and contributes 30% to the final total.

Daily Exercises — 20%

Every training day ends with a multiple-choice exercise scored out of 100%. The scores from each daily exercise are averaged across the duration of the course to produce a Daily Average mark, which contributes 20% to the final total.

Final Test — 50%

On the last day a final summative test is written. It is a multiple-choice paper with multiple-answer questions: each question may have more than one correct option, and a single wrong selection on a question marks the entire question wrong — no partial credit. The final test is scored out of 100% and contributes 50% to the overall mark.

Final Total
Component Out of Weight
Practical Assignments (rubric-scored) 100% 30%
Daily Average (multiple choice) 100% 20%
Final Test (multi-answer multiple choice) 100% 50%
Final Total 100%

All marks are recorded on the AATICD LMS and visible to each learner under their account.

Certificate

Certificate of Completion

Awarded to delegates who achieve an overall mark of 50% or higher on the Final Total (Practicals 30% + Daily Average 20% + Final Test 50%).

How it works
  • Certificates are auto-generated on the AATICD LMS as soon as the marks pass the 50% threshold.
  • Each certificate is a branded PDF with the delegate's name, the course title, the unit standard ID, NQF level, credits, and the date of issue.
  • You can download or print your certificate from your LMS dashboard at any time after issue — there's no reissue fee and no expiry date.
  • If you scored under 50% you can sit the final test again at the next scheduled session at no extra cost.
Where to find it

Sign in to the LMS, open your dashboard, and your certificates appear under My Certificates. Each entry has a View / Download button and a print option.

Training Discounts

Group discounts apply automatically — the more delegates you enrol, the greater the saving. Discounts are calculated at 3% per 5 delegates, scaling up to 40% off for 100+ delegates.

Delegates Discount
5 3% off
10 6% off
15 9% off
20 12% off
25 15% off
30 18% off
50 30% off
75 35% off
100 40% off

3% discount per 5 delegates, up to 40% off for 100+ delegates. Contact us for a custom group quote.

Upcoming Training Sessions
Online training — attend live sessions from anywhere via our virtual classroom.
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Thu 10 Sep 2026 Fri 18 Sep 2026 Virtual Spring 2026 $1,523 Register
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Fri 21 Jan 2028 Mon 31 Jan 2028 Virtual Summer 2027 $1,523 Register
On-Campus training — face-to-face sessions at our training venues across Africa and beyond.
Showing all 533 sessions across 26 venues
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Tue 23 Jun 2026 Wed 01 Jul 2026 Maseru, Lesotho Winter 2026 $3,607 Register
Wed 24 Jun 2026 Thu 02 Jul 2026 Nairobi, Kenya Winter 2026 $4,525 Register
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In-House training — we bring the trainer to your organisation, tailored to your team.
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Mon 22 Jun 2026 Tue 30 Jun 2026 Your Premises Winter 2026 $1,982 Register
Fri 18 Sep 2026 Mon 28 Sep 2026 Your Premises Spring 2026 $1,982 Register
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Tue 04 Jan 2028 Wed 12 Jan 2028 Your Premises Summer 2027 $1,982 Register
Mon 24 Jan 2028 Tue 01 Feb 2028 Your Premises Summer 2027 $1,982 Register
Training Discounts
Delegates Discount
5 3% off
10 6% off
15 9% off
20 12% off
25 15% off
30 18% off
50 30% off
75 35% off
100 40% off

3% off per 5 delegates, up to 40% for 100+

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