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Electrical Tips & Advice from Auckland Electricians

Keep up to date with the latest news and articles from TCCO.

Hands resetting a breaker on a switchboard with hand-written circuit labels
Switchboards, Wiring & Safety

Why Does My Circuit Breaker Keep Tripping? 6 Common Causes & Fixes

An electrician fitting a white dome security camera into a ceiling.
September 17, 2026

Is It Better to Have Wired or Wireless Security Cameras?

Checking an electrician's registration on the EWRB public register from a phone
September 16, 2026

How Do You Check an Electrician Is Registered in NZ?

An electrician on a step ladder fitting a round downlight into a plywood ceiling
September 16, 2026

How Much Will an Electrician Charge to Fit a Light?

A shared TV aerial and satellite dish mounted on the roof of an Auckland apartment building
September 15, 2026

How does TV work in an apartment building or hotel?

An installer lifting a high wall heat pump indoor unit onto its wall bracket in an Auckland home
September 15, 2026

Are heat pumps worth it in NZ?

An older Auckland home's original ceramic fuse switchboard with its main switch and fuse carriers
September 15, 2026

How to Quote for an Electrical Job

An open modern switchboard with two rows of circuit breakers and red wiring
September 11, 2026

Can I upgrade my main breaker?

An electrician in a branded shirt wiring a wall-mounted EV charger beside a car at a house
September 11, 2026

What is the 80% rule for EV charging?

A hand punching down colour-coded network cable pairs into an orange RJ45 keystone jack
August 27, 2026

Can Electricians Do Data Cabling?

A server rack with a patch panel of blue network leads above a network switch
August 27, 2026

How Much Does Structured Cabling Cost?

A blue network cable clipped along a floor joist in the crawl space under a house
August 27, 2026

How Much Does a Data Cable Cost?

A recessed garage wall cabinet holding a router, a network switch and blue patch leads
August 27, 2026

Is It Worth Running Ethernet Cable Through a House?

A wall-mounted TV in a lounge with a white cable running to an aerial wall plate
August 25, 2026

Do I Need an Aerial for a Smart TV in NZ?

A galvanised aerial mast bolted to a base plate on a corrugated metal roof
August 25, 2026

Can You Install a TV Aerial Yourself? The Honest Answer

A UHF TV aerial on a mast bolted to a tiled roof, with trees behind
August 25, 2026

TV Aerial Cost NZ: What a TV Aerial Really Costs in Auckland

A white bullet CCTV camera mounted under the eaves of a dark timber-clad house
July 23, 2026

How Much Does CCTV Installation Cost in Auckland?

A double wall socket with scorching and smoke rising from one outlet
July 10, 2026

What causes electrical fires (and how to prevent them)?

A home ventilation system in a roof space, with insulated ducting, a filter box and a control unit
July 10, 2026

How much does a home ventilation system cost in NZ?

A thermal imaging camera showing a 44 degree hot spot in front of an open switchboard
February 25, 2026

Electrical Thermal Imaging & Thermography

Green residue seeping from the base of a wall socket with an appliance plugged in
December 1, 2025

Green Goo in Electrical Wiring: What It Is, Why It Happens, and What NZ Homeowners Should Do