Our Services


Electrical Installation

Professional Technicians

We offer comprehensive electrical installation services for residential, commercial, and industrial buildings. Our expert electricians are experienced in handling various installations, including fuse boxes, solar or generator systems, ceiling lights, power sockets, and large machinery terminations.

Electrical Maintenance

Our maintenance services include 

We provide reliable electrical maintenance services at all levels, catering to industrial, commercial, and residential clients.

  • Electrical re-wiring of houses, office blocks and industries
  • Fault finding and repair of fault
  • Repair of faulty lights, switches and plugs
  • Repair of tripping switches
  • Assist with power supply issues
  • General electrical related repairs
  • Connection of hot water systems (geyser etc.)
  • Electrical reticulation

Fault Finding

Fault troubleshooting

Our skilled technicians excel in fault finding and troubleshooting electrical malfunctions, especially in electronic equipment. We are equipped to identify and resolve common faults.

  • Loss of supply
  • Earth fault
  • Dead short
  • Correct protective device in place
  • Defective components
  • Breakdown of control circuits


circuits and components for faults

Electrical testing is crucial for safety and efficiency. Our professional team conducts thorough electrical testing and inspection services, ensuring that all equipment is in good condition and operates safely. We inspect for overloaded equipment, potential electrical shock risks, fire hazards, defective electrical work, and any lack of earthing or bonding.


Our competent installers provide top-notch workmanship for all rooting projects, maintaining the structural integrity of your building. We assist you in selecting the ideal rooting system tailored to your needs.


Certificate of Compliance

We offer certificate of compliance

We offer reliable certification services to ensure compliance with electrical installation regulations. Our experienced team collaborates with the Electrical Contractors Board and Association, as well as the Gauteng Electrical Inspectorate, to provide accurate Electrical Compliance Certificates for various buildings and projects.


Ronza Electrical and Instrumentation’ Master Installer issues COC’s for buildings and projects such as: 

  • Hospitals 
  • Petrol stations 
  • Hazardous environments 
  • Laboratories 
  • Shopping malls 
  • Factories and warehouses 
  • All ac and dc installations 
  • Any and all industrial, commercial and domestic electrical installations 

Solar Solutions

Sell, install and maintain

We recognize the importance of solar power as a secure and sustainable energy source. Our knowledgeable installers can guide you in choosing the right solar technology and offer comprehensive installation and service solutions for solar power systems.




We specialize in the design and configuration of automated systems, focusing on operation instruments and systems. Our instrumentation services include 

  • Automation 
  • Control Systems 
  • Instrumentation 
  • Design and Drawing 
  • Programmable Logic Control (PLC) 
  • Software Development 
  • Process Automation 
  • Electrical o Heavy and Light Current o Motor Control Centre (MCC) o Panel Building and Installation 
  • Maintenance and Supply 

High Voltage and Substations

Ronza Electrical and Instrumentation offers the following typical services for High Voltage and Substations:
• High 33KV , Medium 11 KV and Low voltage 600V breakers maintenance and repair
• Protection Relay Testing and upgrade installation
• Transformer Maintenance
• Generator maintenance
• Retrofit Solutions for various breakers.
We specialize on original equipment manufacturers from the following compamies: ABB, REYROLL, GEC and BBC to name a few.

why choosing Ronza?

1. Technicians

Our electricians are highly skilled and have extensive experience in the field

2. Safety

We prioritize safety and follow strict safety protocols to ensure that your installations are safe and secure.

3. Efficiency

We value your time and strive to complete installations promptly without compromising on quality.

Our team of skilled electricians is experienced in handling a wide range of installations, from fuse boxes and solar or generator systems to ceiling lights, power sockets, and large machinery terminations. With our expertise and attention to detail, you can rest assured that your electrical installations will be carried out with precision and in compliance with all safety regulations.

Key benifit with our service

At Ronza Electrical and Instrumentation, we take pride in offering exceptional services and products to meet our clients’ needs. Our commitment to quality, safety, and customer satisfaction sets us apart. When you choose us, you can expect:

  • Residential, commercial, and industrial installations and maintenance
  • Accredited and experienced staff dedicated to delivering quality work
  • Warranty on all materials sourced from approved suppliers
  • Supreme after-sales service and proven systems

Contact us today or Request a Job Estimate online

Ronza Technicians and projects

If you are experiencing electrical issues or suspect a fault in your systems, don’t hesitate to reach out to us. Our experienced technicians are ready to assist you and provide reliable solutions to get your electrical systems back on track.



  • Electrical Installations
  • Electrical Maintenance
  • Fault Finding
  • Certificate of Compliance
  • Solar Solutions
  • High Voltage and Substations
  • Instrumentation