At Three Phaze Electrical, we specialise in providing professional commercial wiring services across Melbourne and Sydney, designed to meet the unique demands of offices, retail shops, warehouses and large-scale commercial premises. Whether you’re building new, renovating or upgrading your electrical infrastructure, our team of licensed electricians ensures your wiring system is safe, compliant and future-ready.

Why Quality Commercial Wiring Is Essential

In commercial environments, wiring is far more than just basic cables—it’s the backbone of your operations. A well-designed, correctly installed commercial wiring system:

• supports high power demands, complex equipment and heavy usage.

• ensures compliance with rigorous safety standards and avoids risks of fire or downtime.

• delivers operational reliability, minimising interruption to your business activities.

• allows scalability and integration of new technologies for future growth. mcdfrork.com

When you choose Three Phaze Electrical for your commercial wiring in Melbourne or Sydney, you’re investing in a system that performs reliably today and scales with your business tomorrow.

Our Commercial Wiring Services

We provide a full-service wiring solution for commercial projects, including:

• Electrical design & consultation – We assess your site, review your equipment load, layout, and future needs; we then deliver a wiring plan suited for your business and in line with current standards.

• New wiring installations – For fit-outs, expansions or new builds, our team runs wiring, conduit systems, cable trays, data & power cabling, ensuring all work complies with AS/NZS 3000 and local regulations.

• Rewiring & upgrades – If your existing wiring is outdated, overloaded or non-compliant, we carry out rewiring, switchboard upgrades, circuit re-configuration and installation of modern wiring systems.

• Safety systems & testing – We install and test RCDs, circuit breakers, surge protection, grounding, and ensure wiring is safe, documented and compliant for hand-over.

• Energy-efficient wiring solutions – We provide wiring that supports energy-conscious lighting, smart controls and efficient equipment, helping you cut operating costs.

Commercial Spaces We Service

• Office buildings – Open-plan offices, high-rise floors, co-working spaces needing smart wiring, power points, data systems and lighting circuits.

• Retail & shopfronts – Wiring for display lighting, POS systems, security/alarms, HVAC and customer areas.

• Warehouses & industrial spaces – Heavy-duty power circuits, machine wiring, high load cabling, safety circuits and large-scale power distribution.

• Hospitality & mixed-use commercial – Restaurants, bars, lounges requiring complex wiring of kitchens, lighting, HVAC, audio-visual, and public-space power systems.

• Multi-site or chain roll-outs – If you operate across Melbourne and Sydney (or expanding), we ensure consistent wiring quality and compliance across all locations.

Our Process — Reliable, Transparent & On-Schedule

1. Initial site assessment – We visit your Melbourne or Sydney site to inspect current wiring, evaluate loads, identify risk areas and discuss project needs.

2. Detailed proposal & scope – You receive a clear quotation, wiring plan, timeline and scope of works so you know exactly what to expect.

3. Installation phase – Our licensed electricians carry out wiring works safely, coordinating with other trades and scheduling around your business to minimise disruption.

4. Testing, certification & hand-over – We perform full testing, provide documentation, certificates of compliance and guarantee that the wiring system meets all safety and regulatory requirements.

5. Ongoing support & upgrades – After installation, we remain available for maintenance, upgrades, scaling or additions as your business evolves.

Why Choose Three Phaze Electrical

• Licensed professionals familiar with commercial wiring standards – We work across Melbourne and Sydney and are fully versed in local code requirements, safety regulations and industry best-practice.

• Tailored solutions for your business needs – We don’t just install wiring; we design systems that align with your business’s operational demands, load requirements and future growth path.

• Committed to safety and compliance – With every project we ensure wiring meets AS/NZS standards, reducing risk and protecting your people, property and operations.

• Minimising business downtime – We understand that time is money; our process is organised to reduce interruption and ensure rapid completion.

• Quality materials and future-proof approach – High calibre wiring materials, future-proof layouts and smart integration mean your system lasts longer and adapts easily.

If you’re planning a commercial wiring project in Melbourne or Sydney—whether it’s a new build, renovation, or an upgrade—partner with Three Phaze Electrical for reliable, compliant, efficient wiring services. Contact us today to book a consultation, receive your quote and get your electrical infrastructure set up for success.