Specialist Electrical Inspection
Specialist Analysis, Compliance & Professional Electrical Work.
Specialist Electrical Inspection
Specialist Analysis, Compliance & Professional Electrical Work.
Inspections & EWOF
Registered Electrical Inspector providing certified CoV, EWOF, and safety sign-offs for residential and commercial properties.
Power Analysis & Thermography
Advanced diagnostics using 4-channel oscilloscope and thermal imaging to identify system inefficiencies and prevent equipment failure.
Industrial & Specialist Projects
Precision electrical installations and automation tailored to engineering specifications. Technical expertise for critical infrastructure.
Discipline, Precision & Decades of Expertise
Dorenal Electrical is led by John Curphey, a Registered Electrical Inspector with a career defined by technical precision and reliability.
Following a distinguished career in the military, John transitioned his focus to electrical compliance, bringing a unique level of discipline and attention to detail to every project. With decades of experience across New Zealand and abroad, he has built a reputation for prioritizing safety and efficiency in complex environments. At Dorenal, the mission is simple: providing specialist expertise with the integrity and "zeal" you’d expect from a veteran professional.
- Certified Inspection Authority – Registered expertise for CoV, EWOF, and technical sign-offs.
- Transparent Project Estimates – Detailed, obligation-free assessments for any scale of work.
- A Commitment to Integrity – We genuinely care about the safety and longevity of your infrastructure.
Certified Compliance You Can Trust
From CoV and EWOF to advanced Power Quality Analysis, we provide the registered expertise needed to keep your projects and properties safe.
Advanced Diagnostics & Compliance Reporting
Beyond standard electrical work, Dorenal helps you mitigate complex risks and ensure total code compliance. We specialise in calling attention to impending equipment failure and system downtime before they become costly emergencies. For firms across the South Waikato, we provide the technical expertise needed to sign off critical infrastructure with confidence.
Registered Electrical Inspector
Re-verification of Installation
Pre-Purchase Inspections
E.W.O.F
Power Quality Analysis
Thermography
Cable Location Services
Residential Solutions
Industrial Automation
Trusted Across South Waikato
Join Our Team
Dorenal Electrical is always looking for skilled professionals who take pride in their craft. We offer a high-standard working environment with a focus on industrial and rural excellence. If you are a qualified electrician looking for a role that offers variety, technical challenge, and a reputation for uncompromising quality, we want to hear from you.
or send your CV to: john@dorenalelectrical.co.nz
Technical Insights & Industry Updates
Stay informed on the latest electrical inspection codes, advanced power analysis, and thermography practices across New Zealand.
Locating cables is a small cost to pay.
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