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Low Voltage Course

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Engineering, Construction and Technology

Electricity

Low Voltage Course

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Low Voltage Course

Name: Low Voltage Course
Price: 8400 KES
Rating: 4.8 (239 reviews)

4.8

Master every aspect of low-voltage electrical work, from safety regulations and wiring methods to fault diagnosis and system design. This course provides electricians and technicians with the hands-on knowledge needed to install, test, and maintain LV systems that comply with current codes. Build the skills employers demand and advance your career with confidence.

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What you will learn:

This course covers the full scope of low-voltage electrical work, starting with core electrical principles and safety hazards and moving through wiring methods, cable sizing, distribution board design, and earthing systems. You will learn how to select and coordinate protective devices, conduct initial verification testing, and diagnose faults using structured methods. The curriculum also addresses special locations, energy efficiency, smart systems, and the integration of renewable energy. By the end, you will be able to design, install, test, and document compliant LV installations from start to finish.

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Course content

8 Chapters • 39 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Low Voltage Systems

Lesson 1 • Voltage Ranges and System Classifications
Defines low voltage thresholds and distinguishes LV from extra-low and high voltage systems. Provides the classification framework used throughout the course.
Lesson 2 • LV System Components Overview
Introduces conductors, insulators, switches, and protective devices found in LV installations. Builds component recognition skills needed for all subsequent chapters.
Lesson 3 • Basic Electrical Principles Review
Covers Ohm's Law, power calculations, and circuit fundamentals essential for LV work. Connects theoretical principles to practical LV system behaviour.
Lesson 4 • Electrical Hazards and Risk Awareness
Identifies shock, arc flash, and fire hazards specific to low voltage environments. Establishes a safety mindset foundational to all hands-on LV tasks.

Chapter 2See details

Electrical Safety Standards and Regulations

Lesson 1 • Incident Reporting and Investigation
Covers near-miss reporting, incident classification, and root cause analysis for LV events. Builds a culture of continuous safety improvement on electrical worksites.
Lesson 2 • Lockout and Tagout Procedures
Details energy isolation, lockout, and tagout steps for LV equipment. Ensures safe de-energisation before any maintenance or installation work begins.
Lesson 3 • Safe Work Method Statements
Guides creation and use of safe work method statements for LV tasks. Links documentation practices to regulatory compliance and incident prevention.
Lesson 4 • Personal Protective Equipment for LV
Specifies PPE categories, selection criteria, and correct usage for low voltage tasks. Directly reduces injury risk during all practical LV activities.
Lesson 5 • Regulatory Framework for LV Work
Explains the hierarchy of electrical regulations, standards bodies, and their roles. Connects regulatory knowledge to daily compliance decisions on LV sites.

Chapter 3See details

LV Wiring Methods and Cable Selection

Lesson 1 • Wiring Installation Methods
Covers conduit, trunking, cable tray, and direct burial installation techniques. Connects installation method choice to environmental and mechanical protection needs.
Lesson 2 • Cable Management and Segregation
Addresses physical separation, labelling, and support spacing for LV cable runs. Maintains system integrity and simplifies future maintenance access.
Lesson 3 • Termination and Jointing Techniques
Demonstrates correct stripping, terminating, and jointing methods for LV conductors. Prevents connection failures that cause faults and fire hazards.
Lesson 4 • Cable Construction and Insulation Types
Examines conductor materials, insulation compounds, and sheathing used in LV cables. Provides the product knowledge needed for accurate cable specification.
Lesson 5 • Cable Rating and Sizing Calculations
Applies current-carrying capacity tables, derating factors, and voltage drop calculations. Ensures cables are sized safely for load and installation conditions.

Chapter 4See details

LV Distribution Boards and Switchgear

Lesson 1 • Protective Device Selection and Coordination
Covers MCB, MCCB, fuse, and RCD selection based on load and fault characteristics. Ensures upstream and downstream devices coordinate for selective tripping.
Lesson 2 • Residual Current Device Applications
Details RCD operating principles, sensitivity ratings, and installation positions. Protects personnel and equipment from earth leakage and shock hazards.
Lesson 3 • Metering and Monitoring Integration
Introduces energy meters, current transformers, and power quality monitors in LV boards. Connects metering to energy management and fault diagnostics.
Lesson 4 • Switchgear Assembly and Installation
Guides physical assembly, busbar connection, and enclosure mounting of LV switchgear. Builds hands-on competency in constructing compliant switchgear assemblies.
Lesson 5 • Distribution Board Design Principles
Explains busbar arrangements, incoming supply connections, and outgoing circuit layouts. Establishes design logic applied when building or modifying distribution boards.

Chapter 5See details

Earthing, Bonding, and Fault Protection

Lesson 1 • Earth Electrode Installation and Testing
Details rod, plate, and tape electrode types, installation depth, and resistance testing. Validates that electrode resistance meets protective device disconnection requirements.
Lesson 2 • Main and Supplementary Bonding
Covers main equipotential bonding and supplementary bonding in special locations. Eliminates dangerous potential differences between simultaneously touchable parts.
Lesson 3 • Earthing System Types and Configurations
Distinguishes TN-S, TN-C-S, TT, and IT earthing systems and their application contexts. Provides the classification knowledge needed for correct earthing design.
Lesson 4 • Fault Loop Impedance and Disconnection
Calculates earth fault loop impedance and verifies automatic disconnection times. Confirms that protective devices operate within required time limits under fault conditions.
Lesson 5 • Protective Earthing Conductor Sizing
Applies adiabatic equations and tables to size protective earth conductors correctly. Ensures conductors survive fault currents without damage or fire risk.

Chapter 6See details

LV System Testing and Verification

Lesson 1 • Insulation Resistance Testing
Covers test voltage selection, measurement procedure, and pass/fail criteria for insulation tests. Identifies degraded insulation before it causes faults or shock hazards.
Lesson 2 • RCD and Protective Device Testing
Tests RCD trip times, MCB operation, and fuse continuity using calibrated instruments. Confirms that protective devices will operate correctly under fault conditions.
Lesson 3 • Earth Fault Loop Impedance Testing
Applies loop impedance testers to measure Zs and Ze values across LV circuits. Verifies that fault protection meets disconnection time requirements.
Lesson 4 • Test Documentation and Certification
Guides completion of electrical installation certificates, schedules, and test result records. Produces legally valid documentation required for handover and future inspections.
Lesson 5 • Initial Verification Sequence
Establishes the correct order of inspection and testing before energising new LV installations. Prevents energisation of defective systems and confirms design compliance.

Chapter 7See details

LV Fault Finding and Diagnostics

Lesson 1 • Fault Classification and Symptoms
Categorises open circuit, short circuit, high resistance, and earth fault types by symptom. Provides the diagnostic vocabulary and framework used throughout this chapter.
Lesson 2 • Instrument Use in Fault Diagnosis
Demonstrates multimeter, clamp meter, and insulation tester use in live and de-energised fault finding. Connects correct instrument selection to accurate and safe diagnosis.
Lesson 3 • Fault Repair and Post-Repair Testing
Covers repair procedures, component replacement, and re-testing after fault rectification. Ensures repaired installations meet original safety and performance standards.
Lesson 4 • Diagnosing Distribution Board Faults
Addresses nuisance tripping, overloading, and busbar fault scenarios in LV boards. Applies board-specific diagnostic steps to restore supply safely and quickly.
Lesson 5 • Systematic Fault Finding Methods
Applies half-split, substitution, and cause-elimination methods to LV fault scenarios. Reduces diagnostic time and prevents unnecessary component replacement.

Chapter 8See details

Advanced LV System Design and Integration

Lesson 1 • Harmonic Distortion Management
Identifies harmonic sources, their effects on LV equipment, and mitigation strategies. Protects cables, transformers, and protective devices from harmonic-induced damage.
Lesson 2 • LV System Integration with Renewables
Addresses grid-tied solar PV, battery storage, and bidirectional metering in LV networks. Prepares designers for modern distributed energy resource integration challenges.
Lesson 3 • Load Analysis and Demand Assessment
Calculates connected load, demand factors, and diversity to size LV supply infrastructure. Prevents under- or over-specification of distribution equipment and cables.
Lesson 4 • System Commissioning and Handover
Guides full system commissioning, functional testing, and client handover for LV projects. Ensures all design intent is verified before the system enters service.
Lesson 5 • Power Factor Correction in LV Systems
Explains reactive power, power factor impact on LV networks, and capacitor bank correction. Reduces energy losses and improves voltage regulation across the installation.

Certification

Your valid completion certificate

This course is for you:

Apprentice electricians: ready to deepen knowledge beyond entry-level trade training.
Electrical technicians: seeking formal grounding in LV safety and system design.
Maintenance workers: responsible for LV equipment but lacking structured electrical training.
Construction site supervisors: overseeing electrical contractors and needing technical literacy.
Career changers: transitioning from general trades into licensed electrical work.
Facilities managers: managing building electrical systems and compliance obligations daily.

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