Empowering Trust, Wiring the Future

Your trusted partner for electrical solutions across Hamilton and the wider Waikato region.

Faraday Sigma Electrical

Faraday Sigma Electrical Ltd is a Hamilton-based electrical contracting company providing high-quality, safe, and reliable electrical services.
With years of hands-on experience, our mission is to deliver exceptional workmanship while building lasting relationships with our clients.

All Services (9-Grid)

Residential New Builds

Safe and tidy electrical wiring & lighting for new homes and renovations.
Residential Maintenance

From faulty power points to switchboard upgrades - we’ve got you covered.
Commercial Installations

Full electrical services for businesses, offices, and warehouses.
Solar Installation

Trusted solar design, installation & compliance -grid - tied or hybrid.
Security & CCTV Systems

CCTV, alarms & access control installed to NZ standards.
Data Wiring & Networking

Certified structured cabling for homes, offices & industrial facilities.
HVAC & Switchboards

Custom electrical switchboards & HVAC integration for efficiency & safety.
Test & Tag

NZ - compliant safety testing & tagging for businesses and sites.
Thermal Imaging Audits

Early fault detection to prevent downtime & reduce repair costs.

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Our Recent Projects.

Westpac Hamilton Fit-Out

Complete electrical installation for a bank branch, meeting tight deadlines
Residential New Build – Rototuna

Full wiring, lighting, and smart home integration
Thermal Imaging Safety Audit

Early fault detection for a manufacturing facility