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Safety Switches Explained: How They Protect Your Family

Safety switches—also called RCDs—are one of the simplest upgrades that can make a big difference to home safety. They’re designed to cut power quickly if there’s an electrical fault, helping reduce the risk of serious electric shock. In homes with kids, older wiring, or lots of moisture (bathrooms, kitchens, laundries), they’re especially important....

We're celebrating 10 years of Chris

Over the past decade Chris has:Solved countless electrical problems.Completed hundreds of jobs.Consumed a substantial amount of caffine.And spoken approximately 14 more words than absolutely necessary.Chris isn't one for making a fuss, which is unfortunate because we're making one anyway.For 10 years he's been the calm voice on site, the steady pair of hands on the tools, and the guy who can usually find a fault in minutes after everyone else has spent an hour looking in the wrong place.If you'v...

Winter Heat Pump Performance: Comfort, Airflow, and the Small Things That Drive Efficiency

Heat pumps are one of the most efficient ways to heat a home, but winter comfort often comes down to a few simple habits. Many “my heat pump isn’t working” complaints are really about airflow, maintenance, or expectations—especially when the weather turns properly cold....

Mid-Winter Electrical Safety Refresh: The 7-Point Home Checklist

Mid-winter is a good time to do a quick electrical “refresh.” By this point, heaters have been running for weeks, lights are on longer every day, dryers and dehumidifiers have had plenty of use, and any weak points in outlets or circuits tend to show themselves. This checklist is visual-only—simple things you can look and feel for safely. If anything looks damaged, smells hot, or trips repeatedly, stop and get it checked....

Dryers, Lint & Winter Laundry: Simple Habits That Reduce Fire Risk

Winter laundry routines put extra strain on dryers and power outlets. Dryers run longer, vents can struggle in cold/damp conditions, and it’s easy to end up using multiboxs or extension leads “just for now.” The good news is that a few simple habits—mostly about lint, airflow, and power supply—can materially reduce overheating and fire risk....

Damp + Power Don’t Mix: Winter Checks for Garages, Sheds & Outdoors

Garages, sheds, and outdoor areas work hard in winter—often while being cold, damp, and poorly ventilated. Add in power tools, freezers, chargers, extension leads, and the occasional heater, and you’ve got the perfect environment for electrical problems to show up. The key risk is simple: moisture speeds up corrosion and increases the chance of faults at plugs, sockets, and connections....

Why Your Kitchen Trips Power in Winter (And What It Means)

If your kitchen trips power more often in winter, you’re not imagining it. Winter changes how we use the kitchen: more hot drinks, more cooking, and more appliances running at the same time—sometimes with a heater or dehumidifier nearby as well. When several high-load appliances overlap, circuit protection can trip to prevent overheating and keep things safe....

Winter Lighting Upgrades That Prevent Trips & Falls

In winter, it’s not just the weather that changes—it’s visibility. Dark mornings, dark afternoons, and lights being switched on more often can turn stairs, hallways and entries into the most common “trip zones” in the house. The good news is that you don’t need a full renovation to make a big difference. A few targeted lighting upgrades can improve safety straight away and make the home feel more comfortable to move around at night....

Rodents Chew Cables: Winter Signs to Watch for in Roofs & Sheds

Rodents are a winter problem in a lot of homes—especially once the nights get colder and roof spaces and sheds feel like a safe, warm place to hide. The part many homeowners don’t realise: rats and mice can chew cable insulation. If that happens, it can create a fault condition that leads to random tripping, flickering, or (in the worst case) overheating and fire risk....

Portable Heater Safety: The Simple Rules That Prevent Fires

When the temperature drops, portable heaters become a winter staple in many homes. They’re great for quick warmth—but they’re also one of the most common causes of winter electrical call-outs and house fires. The good news: most heater incidents are preventable with a few simple setup rules....

Autumn Electrical Prep: A Quick Home Check Before Winter

Autumn is when small electrical annoyances have a habit of turning into bigger winter problems. The heaters come out, the lights are on longer, the dryer runs more often—and suddenly circuits that “usually cope” start tripping. A quick, visual-only check now can help you spot warning signs early and book the right work before winter demand hits. ...

Celebrating the women in our lives

Today, we celebrate all the special women in our lives>And from that place of gratitude, we take a moment to honour everything they do — often quietly, often without pause.The steady hands and open hearts.The strength that shows up every day — in care freely given, wisdom gently shared, and aroha woven through whānau, workplaces, and communities across New Zealand.Those who carry so much, often quietly and without recognition. Who listen deeply, give freely, and create warmth wherever th...

ANZAC Day – Lest We Forget

Today we pause to remember and honour all New Zealanders who have served, and those who continue to serve, our country.We acknowledge their courage, sacrifice, and commitment with gratitude and respect.🌺 Lest we forget....

Bathroom Fans & Ventilation: Stop Mould Before Winter

As the weather cools down and windows stay closed, bathrooms become one of the biggest problem areas in the home during autumn and winter. Warm showers, cold air, and poor ventilation create the perfect conditions for moisture, condensation, and mould to take hold.The good news?Many winter mould issues can be reduced or prevented entirely with proper bathroom ventilation.Here’s what homeowners should know — and what to watch for — before winter sets in....

Our Guarantee: Why Harkness Electrical Is a Name You Can Trust!

When it comes to electrical work, trust matters. You’re inviting tradespeople into your home or business, relying on their expertise for safety, compliance, and long‑term reliability. At Harkness Electrical, we don’t take that responsibility lightly — and that’s why we back every job with a comprehensive, customer‑first guarantee.We’re confident you’ll be completely satisfied with the service we provide. In fact, we guarantee it....

It's not all work!

Our workplace is more than a place to clock in — it’s a place to build each other up, share a laugh, and celebrate local spirit.Nothing like a great night out with the team, dinner at Black Pearl Cafe New Zealand , and then off to McLean Park to back the Magpies! You better believe we will be watching the semis this weekend — we’re behind you all the way! #HarknessElectrical #TeamCulture #CommunitySpirit #GoTheMagpies...

User Manual: Josh v38.0

Model: Josh H., Deluxe Human EditionVoltage Rating: 240V personality with occasional surges of brillianceCurrent Age: 38 yearsStatus: Fully operational (with some minor squeaks in the joints)Original Installation Date: 1987Manufacturer’s Note: Built tough, with a warranty of laughter and loyaltyFeatures:High-output humour with built-in joke generatorGrounded, reliable, but still prone to “shocking” comebacksDurable under pressure — overload protection includedLong-lasting light source, b...

Celebrating 4 Years with TJ!

This week we’re giving a big shout-out to TJ, who’s been powering along with the Harkness Electrical team for 4 years! From early starts to late finishes, tricky fixes to big installs, TJ has been a solid part of keeping the current flowing. His hard work, commitment, and spark of humour make him a valued teammate and a trusted face for our customers.Thanks, TJ, for your dedication over the years — here’s to many more volts, victories, and bright ideas together!...

Light Up Your Spring: Electrical Tips for Outdoor Entertaining

Spring in Hawke’s Bay is all about the start of long evenings, planning summer BBQs with friends, and the start of outdoor dining. But if your backyard lighting is dim, the power points are struggling under the weight of slow cookers and sound systems, or your spa is competing with your fairy lights – it’s time to give your outdoor entertaining space an electrical refresh. At Harkness Electrical, we know the right setup can turn your garden, deck, or patio into the perfect place for spring...

Spring into Your Renovation Plans – Why Now’s the Time for Electrical Work

Spring in Hawke’s Bay is a season of change — warmer days, longer evenings, and the perfect conditions for home renovations. If your project involves electrical work, getting started in spring can save you time, money, and a whole lot of stress....

The Winter Watt-Watch

When winter hits, it's not just the temperature that drops — your bank account can start to feel the chill too, especially when the power bill arrives. Sure, your heat pump is working hard to keep you cosy, but it might not be the only appliance chewing through your kilowatts. Winter often invites a parade of sneaky power suckers that quietly inflate your electricity costs without you even noticing. Let’s pull back the curtain on the usual suspects. ...

Hot Water Cylinder Not Working?

If your hot water cylinder stops working, starts leaking, or trips your power, you’ll want to get it fixed fast. But do you call a plumber or an electrician?Around 80% of hot water cylinder problems are electrical, not plumbing. Getting a qualified electrician to look first can save you time and money.This guide will help you troubleshoot your hot water cylinder, understand common problems, and help you to decide who to call for repairs....

Essential Electrical Checks for Rural Properties Over Winter

Living the rural dream in New Zealand has its perks — wide-open spaces, the hum of nature, and peace you just can’t find in town. But when winter rolls in with its frosts, winds, and sideways rain, that peace can quickly unravel if your electrical setup isn’t up to scratch.Power outages, water pump failures, and temperamental generators are all part of the rural experience — but they don’t have to catch you off guard. A few proactive checks now can mean the difference between a smooth ...

⚡🎉 Double the Sparks, Double the Celebration! 🎉⚡

Today, we’re flicking the switch to maximum appreciation mode because two big milestones are lighting up Harkness Electrical! Toby is turning 19—old enough to know better, but young enough to still test the limits of every circuit breaker in sight. He kicked off his electrical apprenticeship back in January, and it’s been all systems go ever since. Watch this space—he’s already proving he’s got the spark (and a talent for locating every awkward crawlspace on the job). Here’s to a b...

Electrical Winter-Proofing Your Shed, Workshop, or Garage

Ah, the great Kiwi shed. It’s the heart of every DIY empire—equal parts workshop, storage, refuge, and, occasionally, a museum of forgotten projects and rusted ambitions. But come winter, it turns into an arctic tomb: cold enough to see your breath, dark enough to lose a thumb, and damp enough to grow its own ecosystem.If you're serious about your shed being a functional space through the frosty months, a few electrical upgrades can transform it from miserable to mighty....