WHF Electrical:
From detailed design through to installation, testing and ongoing support, WHF’s electrical division brings in-depth technical expertise to projects of all sizes. We work closely with clients to ensure every system operates to standard, on time and on budget – with safety always at the forefront.
Our experienced team is trusted by leading organisations across mining, industrial and infrastructure sectors to deliver high-quality outcomes, backed by rigorous compliance and precision workmanship.
Key Electrical Strengths:
Annual testing
- Secondary and primary protection relay injection testing - Overcurrent 
- Earth leakage 
- Differential 
- Motor protection 
 
- Transformer oil inspection 
- Earth grid verification 
- Circuit breaker inspection 
- Battery bank inspection 
- Switchboard maintenance 
- Thermography 
Turnkey solutions
- Earth grids - Soil resistivity testing 
- Earth grid design 
- Installation 
- Verification 
 
- Electrical projects - Detailed design 
- Protection study inclusive of arc flash 
- Switchboard manufacturer 
- Installation 
- Testing and commissioning 
- Ongoing support and maintenance 
 
Safety equipment inspection
- LV rescue kit 
- HV operating sticks 
Calibration
- Multimeters 
- Insulation testers 
- High voltage insulation testers 
- RCD testers 
All installations, testing and maintenance are in accordance and comply with the following standards:
- Electrical Safety Act 2002 
- Electrical Safety Regulation 2013 
- AS/NZS 3000:2018 Wiring rules 
- AS/NZS 3008.1.1:2017 Electrical installations—selection of cables 
- AS 2067:2016 Substation and high voltage installations exceeding 1kV AC 
- AS/NZS 2081:2011 Electrical protection devices for mines and quarries 
- IEEE 80 -20913 Guide for safety in AC substation grounding 
- AS 1768:2021 Lightning protection 
- AS/NZS 61439.1:2016 Low-voltage switchgear and control gear assemblies 
- AS 2467-2008 Maintenance of electrical switchgear 
Let’s power your next project.
 
             
          
        
      