Power line to house repair in Auckland

Is it bad if a power line is sparking?

Yes. The Conduction Company treats a sparking line, or a fitting arcing where the line meets the house, as an emergency. Keep everyone back. If the meter is sparking or anything is on fire, Vector says to call 111 and Vector. For sparking at the line or its fittings, The Conduction Company's advice is to call Vector to disconnect it, then an electrician to repair it.

What is a service line repair?

A service line repair is work on the line between Vector's fuse and your house, and on the parts that hold it there.

The Conduction Company's repairs cover one or more of these:
The line itself: a damaged section cut out and joined, or the whole run replaced with new 16 mm neutral-screened cable.
The point-of-entry box: the box on the house where the line meets the house wiring, replaced with a modern box and shroud cover.
The house fittings: old J-hooks, also called house hooks, swapped for 4-point U-plates, plus new dead-end grips, the clamps that hold the end of the line.
A worn neutral: a neutral wire worn down to a few strands, which the team's warning notes flag as a safety risk.

On one two-storey Auckland house, The Conduction Company put scaffolding up at the front, Vector disconnected the supply, and the team cut out and joined the damaged part of the line at the gable end. The job finished with an electrical safety certificate.

What is the power line to your house called?

The Conduction Company, like Vector, calls it the service line. Vector's connection standard calls an overhead one a service line and an underground one a service cable, and says the property owner owns both. The Electricity (Safety) Regulations 2010 call the same run the mains: the fittings that supply the switchboard "closest to the point of supply".

When The Conduction Company replaces an overhead service line, it fits 16 mm neutral-screened cable. Vector's standard single-phase connection is 60 A, under its connection standard ESA002.

Case study: a neutral hanging by a single strand

A client called The Conduction Company because the lights were dimming, the fridge was making odd noises, and other appliances were beeping. "It's usually an overhead line and the neutral," says Jordan Statham, the company's director.

On this house it was. The overhead neutral had broken down to its last strand. In his words, "the entire home's electrical supply was going through one single thread, and it was glowing red hot."

What The Conduction Company did: Vector came out, checked the line and isolated it. The team cut back the neutral, replaced the point of entry on the side of the house, and extended the cable. They restrung and retensioned the line, with new eye plates because the old house hooks were corroded and rusted.

The result: The Conduction Company reconnected everything and completed its testing. Vector came back, did its own testing and re-livened the supply, and the team ran its final checks. Repairs like this are usually done under urgency.

Who fixes the power line to a house in NZ?

An electrician fixes the part the owner owns, and The Conduction Company does that work across Auckland. Vector fixes its own network, up to its fuse at your boundary or on the nearest pole. From that fuse to the house, the repair and its cost fall to the property owner, Vector's faults page says. Counties Energy, which runs the network from Papakura to Mercer, says the same of the lines it serves.

The Conduction Company sets out who owns each piece between the street and your switchboard in its guide to who owns the pole, the service line and the meter. A fault past the main switch, inside the house, is a job for The Conduction Company's electrical fault finding inside the house.

How much does a service line repair cost?

The cost depends on what has failed and how hard it is to reach, The Conduction Company finds. Swapping one fitting is a smaller job than replacing the whole line, and on a two-storey house the line can need scaffolding before anyone can reach it.

We quote on facts, not guesses

Before we give you a price, we carry out a proper assessment of your property and how you'll use your power supply.
That way you know exactly what you're buying and the total cost, with no surprises.
Clear expectations from the outset, start to finish.

The estimates below are for a standard repair to the line between the street and your house.
The Conduction Company confirms final pricing after a property assessment.

Most repairs to the line between the street and your house cost between about $1,000 and $3,000 including GST, depending on what has failed and how it is reached. That figure comes from 22 repairs The Conduction Company has completed in Auckland since 2023.

To have the line to your house looked at, book a service line repair with The Conduction Company.

How long does it take to fix a damaged power line?

It depends mostly on Vector's booking, The Conduction Company finds, because Vector usually has to disconnect the line at the pole before the repair and re-liven it afterwards. Storms are what usually hold Vector up, says Jordan Statham, because its crews are busy with lines down across the network. A line that is down or unsafe goes to Vector first.

The Conduction Company usually repairs a fallen, snapped, or cut line in a few hours on site. How long depends on how bad the break is and where it sits. With no power at all, the team asks Vector to disconnect straight away. For a planned repair, it books Vector for the morning.

Vector is a third party, so its timing is the one part The Conduction Company cannot manage. On a busy day the team can be left waiting for Vector to turn up and re-liven the line.

How long does it take to make a damaged power line safe?

The Conduction Company tells clients to call Vector first, because its safety disconnect is what makes the line safe. Turning off your main switch does not do that, because the line up to the switch stays live. Ring 0508 832 867 and log a job. Vector usually comes out fairly quickly, The Conduction Company finds. Once the line is disconnected, no power reaches it from the network, and the repair can follow.

If you need power back that night, The Conduction Company's electrician comes after Vector has been. The repair usually takes a couple of hours. The team calls Vector back before it finishes, so Vector arrives as the testing wraps up. Sometimes Vector takes much longer to get back.

The Conduction Company can usually restore power about six hours after the first call, sometimes in under four. That is for clients who want it back as soon as possible, and it depends on staff availability, what has failed, and how soon Vector can come.

What can wait until morning on a damaged power line?

Once Vector has disconnected the line at the pole, the whole repair can wait until morning, says The Conduction Company. No power reaches the house from the network at that point, and that is the safest way to leave it.

The disconnect itself should not wait. The repair needs Vector to disconnect anyway, so The Conduction Company gives the same advice even when the damage looks small. "We always say don't risk it," says Jordan Statham. "Just get Vector out and let them disconnect in the meantime." That is better than any risk of fire, property damage, or electric shock.

Waiting can also cost less. A daytime visit from The Conduction Company carries a lower call-out fee than a night one. So the team may ask whether you are happy to go without power overnight. A morning repair typically takes about half a day, and power is usually back on by the time you get home from work.

How do you get power lines raised?

It depends whose line hangs low, says The Conduction Company. Vector's street lines are Vector's: report one hanging low on 0508 832 867, which Vector asks people to do to help keep the community safe. The line from Vector's fuse to your house is yours, and The Conduction Company raises it by moving where it fixes to the house and lengthening the line where it has to reach further.

AS/NZS 3000, the Wiring Rules, sets minimum clearances between an overhead line and the ground, buildings and structures. It also says the connection between the line and the house wiring must be "out of arm's reach from the ground or from an elevated area", such as a deck. A line resting on a roof, or a connection within reach of a deck, is work The Conduction Company puts right, and it prices each one after seeing the line.

Why do power lines sag?

Every overhead line sags between its fixings, The Conduction Company explains, and AS/NZS 3000 expects it to sag further as it heats up and to move in the wind. The clearances must hold wherever the line can "sag at a maximum conductor temperature of 115°C or move as a result of wind pressure". That is why a line can sit lower on a hot summer day.

A line that hangs much lower than it used to is different. The Conduction Company checks the fittings at the house end, because a line left hanging on a worn fitting is under strain and, its own warning notes say, "likely to degrade quickly".

How much does it cost to put power lines underground in NZ?

The Conduction Company covers undergrounding here as information only and gives no price for it, because the cost comes in parts that differ for every property.

Vector's part: undergrounding a Vector line, or moving where it connects, goes to Vector as a permanent change to its equipment. Vector charges an assessment fee, prices the job individually, and may need an easement if its equipment stays on your land.

The trench: on the underground supply jobs The Conduction Company quotes, a drainlayer or another trade digs and backfills it, not the electrician.

The new cable: the cable from the boundary to the house is the owner's, and so is its cost. Vector's connection standard says the connection at the pit or pillar is made by "a Vector approved livening inspector selected by the Electricity Retailer".

The inspection: the Electricity (Safety) Regulations class mains work as high-risk prescribed electrical work, and high-risk work must be inspected. The Conduction Company reads a new underground service cable as mains work.

How deep is the power line to a house buried?

For new work, AS/NZS 3000 sets the minimum depth in its Table 3.6, The Conduction Company notes. Under open ground, a cable laid in soil (a Category A or B system) needs at least 500 mm of cover. Under at least 75 mm of poured concrete, outside a building, the minimum is 300 mm. An orange marker tape goes in about halfway between the cable and the surface, as a warning to anyone digging.

Underground power lines vs overhead

The Conduction Company repairs both kinds of service line, and beyond clearance and depth they differ in three ways.

Weather and trees: wind, branches and wear reach an overhead line and the fittings on the house. A buried cable is out of their way.

Finding a fault: an underground fault can mean digging to reach it. On one job, The Conduction Company dug where Vector had marked the cable to find the fault.

Connection: an overhead line usually connects at Vector's fuse on the nearest pole. A buried cable connects at Vector's pit or pillar, which Vector's standard does not let the owner or their electrician open.