Electrical Engineering

The TR Group provides complete, certified electrical engineering solutions for construction sites, industrial plants, commercial facilities, and energy projects. Reliability, safety, and compliance guide every system our engineers and technicians build.

Certified Electrical Systems, Built to Last

Electrical faults put people, equipment, and operations at risk. Our certified electricians and engineers design and install systems that meet full compliance standards — from first-fix wiring to final commissioning.

Our team is ready to help with all your electrical needs, including:

  • Full electrical system design & layout (LV, MV, power distribution);
  • Wiring and cabling installation for residential, industrial & commercial sites;
  • Electrical panel installation (DB Boards, MCCs, control panels, automation boards);
  • Solar energy systems (grid-tie, off-grid, and hybrid installations);
  • Backup power solutions (inverters, generators, battery banks);
  • Industrial automation & control systems (PLC, SCADA, IoT integration);
  • Testing & commissioning with compliance certification;
  • Lighting installation (LED retrofits, outdoor lighting, floodlights, emergency lighting);
  • Fault finding & repairs for industrial and commercial equipment;
  • Preventative maintenance programs for electrical infrastructure;
  • Earthing/grounding & lightning protection systems;
24/7 Emergency Electrical Services
Electrical Support You Can Count On

When electrical problems strike, you need fast, qualified help. We offer around-the-clock emergency response across Gauteng — keeping your home, business, or site safe and powered, day or night.

Common Issues

Electrical Repair Cost and Estimates

Electrical repair costs can vary significantly depending on several key factors. Here’s what you need to know to make informed decisions and avoid unexpected expenses:

What Affects the Cost?

Pricing depends on the type of work, system complexity, and whether it's a scheduled installation or an urgent call-out — emergency or after-hours work may carry a premium.

Get a Detailed Estimate

Our certified electricians provide itemised quotes covering labour and materials — no hidden fees, just honest, upfront pricing.

Preventative Maintenance

Routine inspections catch small faults early, protecting safety, extending system life, and avoiding costly emergency repairs.

Fast, Reliable Response

Whether it's a scheduled job or an urgent fault, our team responds quickly and gets the job done right — minimising downtime and keeping you safe.

When In Doubt, Put Safety First

If you’re ever unsure or feel unsafe around an electrical fault, don’t take chances — call a certified electrician immediately.

What should I do if I smell burning or see sparks near an outlet?

Switch off power at the DB board if it’s safe to do so, avoid the area, and call us immediately — this is a sign of a serious fault.

Yes, all our installations include testing, commissioning, and compliance certification.

Yes — from home rewiring to full LV/MV industrial power distribution.

Yes, see our dedicated Solar & Backup Power page for full details.