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Electrical Engineering & Maintenance Services

Safe, reliable and professionally managed electrical solutions for homes, offices and industrial environments

Complete Electrical Services from Installation to Maintenance

Onexa Global provides electrical installation, upgrading, testing, troubleshooting and maintenance services for residential, commercial and industrial environments.

From single-phase and three-phase power distribution to lighting, protection systems, backup power and preventive maintenance, our team can support new projects, renovations and existing electrical infrastructure.

Electrical Installations

Structured electrical installations for new buildings, renovations and system upgrades.

Single-Phase & Three-Phase Wiring

  • New electrical wiring
  • Rewiring and renovation projects
  • Power outlet installation
  • Dedicated circuits for equipment
  • Commercial and industrial power distribution

Power Distribution

  • Main distribution boards
  • Sub-distribution boards
  • MCB, MCCB, RCD and RCBO protection
  • Load distribution and circuit separation
  • Board upgrades and replacements

Lighting Systems

  • Indoor and outdoor lighting
  • Office and commercial lighting
  • LED upgrades
  • Emergency and security lighting
  • Lighting control and timer integration

Commercial & Industrial Power

Electrical infrastructure designed around demanding business and industrial loads.

Industrial Power

  • Three-phase equipment supplies
  • Motor and machinery circuits
  • Industrial socket outlets
  • Isolators and local disconnects
  • Equipment power upgrades

Commercial Electrical

  • Office electrical fit-outs
  • Retail and business premises
  • Dedicated ICT and server circuits
  • Air-conditioning power circuits
  • Kitchen and appliance circuits

Load Management

  • Load assessment
  • Phase balancing
  • Circuit capacity review
  • Overload investigation
  • Distribution optimisation

Protection, Earthing & Electrical Safety

Practical protection measures to reduce electrical risk and equipment damage.

Circuit Protection

  • MCB and MCCB protection
  • RCD / RCCB protection
  • RCBO installation
  • Overcurrent protection review
  • Distribution-board safety upgrades

Earthing & Bonding

  • Earthing-system installation
  • Earth continuity checks
  • Protective bonding
  • Earth resistance testing
  • Earthing fault investigation

Surge & Lightning Protection

  • Surge protection devices
  • Distribution-board surge protection
  • Protection for sensitive equipment
  • Lightning protection integration
  • Protection-system inspection

Backup Power & Power Continuity

Keep critical equipment operating during power interruptions.

UPS Systems

  • UPS power integration
  • Dedicated UPS circuits
  • Server and ICT power protection
  • UPS bypass arrangements
  • UPS power-distribution support

Generator Integration

  • Generator electrical integration
  • Essential-load distribution
  • Changeover arrangements
  • Generator supply circuits
  • Backup-power testing support

ATS & Changeover Systems

  • Automatic transfer switch integration
  • Manual changeover systems
  • Utility / generator transfer
  • Essential and non-essential load separation
  • Transfer-system troubleshooting

Testing, Inspection & Fault Finding

Find electrical problems before they cause larger failures or interruptions.

Electrical Testing & Inspection

  • Visual installation inspection
  • Continuity testing
  • Insulation resistance testing
  • Earth and protection checks
  • Distribution-board inspection
  • Load and voltage checks

Fault Diagnosis

  • Tripping circuit investigation
  • Short-circuit fault finding
  • Earth leakage investigation
  • Overheating and overload checks
  • Voltage and phase issues
  • Intermittent electrical faults

Preventive & Corrective Maintenance

Maintain electrical infrastructure before small issues become costly failures.

Preventive Maintenance

  • Periodic visual inspection
  • Distribution-board checks
  • Loose-connection inspection
  • Load and temperature review
  • Scheduled maintenance plans

Electrical Repairs

  • Faulty circuit repair
  • Breaker replacement
  • Damaged cable replacement
  • Socket and switch replacement
  • Distribution-board repair

Urgent Fault Support

  • Loss-of-power investigation
  • Repeated breaker trips
  • Burnt or damaged connections
  • Equipment supply faults
  • Electrical isolation and recovery support

Cabling & Infrastructure

Professional cable routing and containment for maintainable electrical installations.

Cable Installation

  • Power cable installation
  • Dedicated equipment circuits
  • Underground and surface routes
  • Cable replacement and upgrades
  • Circuit identification and labelling

Cable Containment

  • Conduit systems
  • Cable trays
  • Trunking systems
  • Equipment cable management
  • Plant-room and service-area routing

Labelling & Documentation

  • Circuit labelling
  • Distribution-board schedules
  • Load identification
  • Installation documentation
  • Maintenance reference information

Electrical Projects & Engineering Support

Support for new installations, expansions, renovations and infrastructure upgrades.

Site Assessment & Planning

  • Site inspection
  • Electrical requirement assessment
  • Load review
  • Installation planning
  • Scope and material planning

Installation & Upgrade

  • New electrical installations
  • Building renovation works
  • Distribution upgrades
  • Additional power requirements
  • Existing-system modifications

Testing & Handover

  • Installation verification
  • Functional testing
  • Circuit identification
  • Handover documentation
  • Maintenance recommendations

Additional Electrical Capabilities

Our scope can be tailored for homes, offices, retail spaces, commercial buildings and industrial environments.

  • New building electrical installations
  • House and office rewiring
  • Distribution-board upgrades
  • Socket and power-point installation
  • Dedicated appliance circuits
  • Three-phase equipment supplies
  • Server-room power circuits
  • Air-conditioning power circuits
  • Lighting upgrades
  • Outdoor and security lighting
  • Emergency lighting
  • Earthing improvements
  • Surge protection
  • Generator circuits
  • UPS power distribution
  • Automatic transfer systems
  • Power-failure troubleshooting
  • Load balancing
  • Preventive maintenance
  • Electrical infrastructure documentation

Where We Support

Electrical solutions for a wide range of environments.

Residential

New homes, renovations, rewiring, lighting, distribution boards, protection and fault repairs.

Commercial

Offices, retail spaces and business premises requiring dependable power, lighting and electrical maintenance.

Industrial

Three-phase supplies, machinery circuits, industrial distribution, fault diagnosis and planned maintenance.

Planning an electrical installation or upgrade?

Talk to Onexa Global about electrical installation, distribution, testing, protection, backup power, fault repair or ongoing maintenance for your property or business.

Request a Quote

Final design, protection requirements and equipment selection should be confirmed against the actual site conditions, connected loads and applicable electrical requirements.

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