NZ law lets homeowners do a narrow list of like-for-like electrical work — and nothing else. What's allowed, what's illegal, and why insurers care.

Whole street dark or just you? The 60-second diagnosis, what to check at your switchboard safely, and when it's an electrician's job — not the lines company's.

What builder's reports miss electrically, the five-minute checks at an open home, and when a dedicated electrical inspection is worth it before you go unconditional.

What a CoC is, which electrical work must have one, what an ESC adds, and why the folder of certificates matters at insurance and sale time.

Moving into a new tenancy? The electrical decisions — supply capacity, data, lighting compliance, landlord approvals — that decide whether your fitout opens on time.

What Auckland landlords must do electrically — Healthy Homes heating, smoke alarms, safe installations — and the one-visit way to tick it all off.

Where smoke alarms must go, what type to buy, landlord obligations, and when hardwired interconnected alarms are required — explained for Auckland homes.

RCD tripping every time it rains? The usual culprits — outdoor fittings, garden circuits, roof leaks — and what a fault-finding visit involves and costs.

Emergency lighting, exit signs and your BWOF: what Auckland building owners and facility managers need to have inspected, how often, and what failure costs.

Is test and tag legally required in NZ? What AS/NZS 3760 covers, how often equipment needs testing, and what it means for Auckland workplaces in practice.

Registration, Certificates of Compliance, quotes and red flags — eight practical checks that separate a good Auckland electrician from an expensive mistake.