Powerful Three-Phase Installations Across Hampshire
Phase 3 designs, installs and commissions three-phase electrical systems for domestic and commercial property. When you need more capacity, we deliver power built around your requirements.
Hampshire’s three-phase power specialists
We provide professional, reliable electrical solutions for customers who need the additional capacity and flexibility of a three-phase supply, from property upgrades and new installations to commercial premises, workshops, machinery and EV charging.
More about our companyThree-Phase Electrical Services
From complete installations to power upgrades, EV charging and testing, we cover the full three-phase process for domestic and commercial property.
Capacity, balance and room to grow
A three-phase supply spreads demand across three conductors instead of one, giving your property more available power and a steadier, more balanced load. It is the right choice for heavier equipment, larger premises and modern, high-demand systems.
- More available power for machinery and equipment
- Balanced load for reliable, efficient performance
- Ready for EV charging and future demand
- Designed around your property and how it is used
Our Installation Process
A clear, four-step process from first survey to final certification.
Assessment
We survey the property, review your requirements and assess the load so the design fits how the space is used.
System Design
We specify the supply, distribution and cabling, and coordinate with your network operator where a new supply is needed.
Installation
Our team installs the distribution equipment, cabling and containment neatly, with minimal disruption to your day.
Testing & Commissioning
We inspect, test and commission the installation, then hand over with the certification to confirm it meets current standards.
- 3-Phase
- Specialist installations
- Domestic
- & commercial property
- Hampshire
- County-wide coverage
- End to End
- Design to commissioning
Trusted by Our Customers
Real reviews from customers who trust Phase 3 with their electrical work.
Rated on Google Reviews
Dalton Mononyane
Phase 3 Offices, Manchester.
Fernanda Prado
Great support, definitely recommend Phase 3.
Frequently Asked Questions
Common questions about three-phase power and working with Phase 3.
Ready to Power Your Property?
Speak to Phase 3 about your three-phase installation. We provide free, no-obligation quotes across Hampshire.