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The most expensive electrical is work that which has to later be torn out, replaced, or fixed. It makes a lot more sense to use our trusted, expert team of local electricians that gets the job done right and on time with a minimum of disruption for your home or business. You will keep expenses down while getting what you need without hassles down the road.

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Dependable Residential Electricians

Our local electricians are very experienced in providing all the standard solutions. We're also experts at more difficult situations that require experienced creativity and innovation. Whatever the case, you get professional installation, repair, and maintenance that gives you outstanding functionality with optimum visual appeal. From installing more energy efficient lighting to complete home rewiring to ceiling fans and hot water repairs, we can install or fix practically anything in your home. And we do it with fixed, up front pricing at prices you can afford.

Commercial Electrician Sydney

Commercial Electricians Providing Excellence From Start to Finish

The main thing you want is a team of local electricians that will get the job done right and take care of all the details. We look after everything from start to finish so you can concentrate on your business. We provide all you need from money saving commercial lighting to electrical cable installation to testing and tagging to emergency and exit systems and much more. Please contact us for your no-obligation FREE quote.

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The Property Manager's Most Trusted Electricians

When you've got many units to take care of, we can be the reliable, expert local electricians that make your life a lot easier. From taking care of small repairs to outfitting entire complexes with more efficient lighting and electrical design, we give you the service you need both large and small.

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Expert Solar Installers

Whether you are wanting to give your home and family affordable clean energy or you need a reliable, cost-effective solar system for your business - a Powerix Electrician can take care of it.

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The latest from our electrical blog

July 14, 2020

Solar Isolator Switch Recall: What you need to know

Have solar power at home or work?

Then pay attention, as an integral part of your system's functionality could be risking not just your installation, but much more.

The Australia Competition and Consumer Commission have recently released information concerning potentially faulty DC isolator switches.

* PLEASE NOTE: Powerix hasn't installed any of the isolators mentioned in this post.

DC isolator switches, used in the interests of safety, disconnect solar panels for the purpose of installation, repairs and maintenance.

The brands referred to in the Worksafe QLD release include:

  • Avanco
  • PVPower
  • Gen3/SPM
  • NHP
  • Salzer Solar

If you have any questions about the below content, or solar power in general, the team at Powerix are here to help. Contact us on 1300 217 428 or 0488 856 928 .


Avanco brand DC isolators have been found to have internal faults, leading to overheating and fires. Sold in Queensland after 1 January 2012, the defective models include:

  • AV/DC4P25A
  • AV/DC2P25A
  • AV/DC4P25AUB
  • AV/DC2P625AU
  • AV/DC2P25AU
  • AV/DC2/2P25AU
  • AV/DC2/2P125AU
  • AV/DC4P25AU
  • AV/DC4P25AUS
  • AV/DC4P25AUT

A order for recall was announced for the affected Avanco isolators. The models subjected to recall have an enclosed rotary switch device; the switch is yellow, with a yellow background. The Avanco branding features on the front. It's worth noting that these isolators may have a marking on the external enclosure, containing the following numbers:

Clear Lid: AV/ENC4P25AC

Opaque Lid: AV/ENC4P25AO

PVPower branded DC isolators

The importers of PVPower brand DC isolators have announced a recall for the products.

PVPower isolators, like Avanco, are rotary types, and have a red switch with yellow background.

PVPower branded DC isolators
PVPower Recalled Solar DC Isolator

Gen3 or SPM branded DC isolators

The importers of the Gen3/SPM brand dc isolators are undertaking a voluntary product replacement program.

Gen3/SPM branded DC isolators are a rotary type, and have a red switch/yellow background around the switch OR a black background around the switch.

Look out for the brand logo on the top corner:

Gen3 or SPM branded DC isolators
Gen3 or SPM Recalled Solar Dc Isolator

NHP DC isolators

NHP isolator models NHP-KDA-432 and KDM-43 have been found to hold an incorrect material, derived from the manufacturing process. A voluntary recall of these isolators gas been announced.

Defects include the switch staying on, despite the handle indicating the isolator to be off. This defect carries a risk of electric shock to the operator of the isolator.

The defective models have been identified as having serial numbers from x2013 - x3813, where X can be any number between 1 and 5.

You can find the serial number on the box and on the base. Note that the ‘X’ prefix only appears on the switch base.

ISO MAX Branded DC isolators

In 2012, the sellers of ISO MAX DC isolators triggered a recall, covering DC Isolators with the following model numbers/markings:

  • Model No. LS16, DCISO 1000V
  • Model No. LS25, DCISO 1000V
  • Model No. LS32, DCISO 1000V

ISO-MAX DC Isolators have a light grey body and a red handle.

If operating at currents in excess of 12A, models LS16, LS25, and LS32 are at great risk of overheating and potentially causing fire, even if they’re being operated properly.

Salzer solar DC isolators

The Salzer solar DC isolator switches can present a risk of fire under certain conditions when switched.

Subject to numerous recalls, the specific model is DCLB232, which is also known as IPV40E and IPV40ES.

If these isolators are identified, it is advised to shut down the AC side of the PV installation, then contact an electrician/solar expert.


If your household has one of the mentioned solar isolators, worksafe queensland advises the system be shut down immediately.

If unsure of what model isolator you have, dig further by checking your isolator’s operating manual or invoice.

Still don’t know? Get in touch with your local electrician/solar expert.


Resources used:






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November 17, 2023

Are your Isolator switches putting your house at risk?

Are your Isolator switches putting your house at risk?

DC isolators are the leading cause of unsafe Photovoltaic solar systems in Australia. With isolators installed before 2014 being considered unsafe in 1-3% of inspections. So what can you do to protect your home and what is causing these problems?

Causes for Unsafe Solar Systems

A report released by Energy Safe Victoria outlines the most common causes for the failure of DC isolators. This report found two major causes for DC isolators being rendered unsafe upon inspection:

  1. Water Ingress: This can be brought about by either rainwater getting into the isolator unit (most commonly roof-mounted systems) or condensation from air getting inside the system during the day and cooling down overnight. Once the water is inside the isolator it begins to corrode the system. This corrosion increases the resistance of the system causing it to heat up and either; Melt the system open disconnecting the panel array circuit from the home or, weld the system closed which can cause the isolator to combust.
  2. Incorrect Installation: Incorrectly and non-compliant installation of a solar system will increase the stressors on the system and the risk of catastrophic failure of the system. Some things to look out for are; DC cables that are resting or rubbing against the roof and panels overhanging the sides of the roof or not secured to the roof.

Solar DC Isolator Failure

What to Do If You Notice Any of These Risks?

If you notice that your solar system is no longer working as well or at all or you notice anything of concern turn the system off if safe to do so. Once your system is off contact a Clean Energy Council-accredited electrician to inspect your system ensure that it is safe and make any repairs needed.

How Can I Minimise My Risk?

So how can you minimise or avoid these risks altogether? Well, there are a few simple steps to avoid these risks.

  1. Regular Inspections: It is recommended that you have a licensed solar technician inspect and undertake regular maintenance of your solar system. These checks allow an expert to replace any parts needed and ensure that the system is running as efficiently as possible.
  2. Know What's Going on With Your System: There are several things that you can do to ensure your solar system is running as it should be. These are: Monitor the outputs of your system, regularly check data screens for error messages and inspect the panel for debris.

For more information on these inspections and the importance of regular maintenance of your solar systems click here.

If you are in need of a local Clean Energy Council-accredited solar technician in the Sydney area Powerix is your one-stop shop. Contact our team today!

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August 8, 2023

Honest Intelligent solar repairer with all the equipment to detect and analyse the faults

Powerix aims to give the best service to our customers we can. We use the latest equipment to ensure we do the job right the first time. Below is an extensive review from one of our very happy customers. Not only are we proud of how happy our client is, but it also covers some key issues with the solar industry overall and answers many questions we typically get asked.

Honest Intelligent solar repairer with all the equipment to detect and analyse the faults

As the Australian solar industry has been operating for a couple of decades, many of the systems are now decaying and failing across Australia's rooftops. This represents a fire hazard posed by the shorting of high voltage DC. Look up high voltage DC arcing on YouTube – it is eye watering stuff. Many solar systems are now catching fire - especially at the DC Isolators. The old solar systems are also becoming an expensive fix due to failing components.

The Solar industry is corrupt and incompetent. Most Solar systems are not designed for maintenance or repairs. They are like modern TV sets - you replace them but never fix them. Many electricians are just sales people acting for the parent solar company that is only interested in selling you a new system. Most electricians do not have the necessary equipment to analyse the strings of solar panels on the roof to find the exact fault. They often limit their service to opening up the DC isolators, checking connections at the electrical box or selling you a new inverter.

The "Failed inverter" may not be the total story. Ask any electrician what the most likely cause of your failed Solar system is - the answer is always The Inverter. This is irrespective of whether you forked out $2500 for the German one or $1000 for the Chinese one. They make their money selling you a new inverter. Yes, they also make more money selling you a whole new system, but most people will baulk at that, after spending $10000 on the first one that only lasted 5 years. So they focus on the Inverter to open up your wallet and then incrementally ratchet up the bill as they later concede that it was something else. And yes Inverters can fail after few years. However, a quick Google search will reveal that the most common faults in failed solar systems are poor earthing problems somewhere in the system. Inverters are highly sensitive devices and reject poor DC signals coming in - before being converted to AC. That poor DC electrical signal is the result of many possible sources: bad connectors, poor corroded or water damaged solar panels, water damage in the DC isolators due to poor silicon seals or incorrect or upside down installation, or other earthing faults. Any or all of these UPSTREAM faults will give the dreaded RED LIGHT of failure on the Inverter. There may be nothing wrong with the inverter at all - it's just telling you that there is a problem in the system and that it refuses to convert the bad DC signal to AC. Or it could be the Inverter AND other problems in the system. Some Inverters reset (for a while) especially if there has been water in the system after heavy rain and after you give it time to dry out. Many inverters fail slowly from internal components and will continue to fail more frequently over time. And (yes) sometimes it is simply that damned expensive unreliable INVERTER that has failed with no other problems in the system. Good luck with Inverter or Panel warranties. If you read the contract, many will say that you have 10 years warranty "On Installation" only.

The solar system is not designed to be fixed. All it takes is for one dodgy component to play up and the whole solar system will fail. If one panel fails, the whole string of (10 say) panels will fail. Therefore the inverter will fail even though the other string of 10 panels on a 5KW system might be perfect. So, there may be 19 other panels working just fine but a big RED light on your inverter. Now, how do you find which panel has failed on that 2 storey steep slippery roof on a cloudy day with the wind blowing at 30 kmph. It’s ridiculous that they sell a product that was never designed to be rectified or maintained. Look at the roofs and installations of many solar systems. Many roofs are steep and complex - requiring a lot of safety gear to operate on. Sure, they will don all the gear for a $10000 installation. But do you really think that the average electrician will don all that gear to find a bad connector somewhere in the myriad of connections and wiring. Most electricians don’t even have the gear to do the analysis. Analysers are expensive stuff with the good analysers costing $20000. Each time they fiddle with a connector or component that has been sitting up there in the sun deteriorating, they risk breaking the part, just to have a look at it. The Solar industry is like buying a car and then having to replace the entire car when the battery dies. The car won’t start but they don’t want to analyse anything and just tell you it needs a new engine (the inverter equivalent) or replacement of the whole car.

In my case, after 3 years from solar installation, I noticed the RED Fault light on the Inverter. I rang the supplier and discovered that the slick salesman was now rude and obnoxious. He wanted nothing to do with fixing the problem. He said I was stupid and incapable of doing the reset written on the Inverter - even though I had done this correctly. He said he didn’t know how I could possibly carry out my day job since I was incapable of following instructions on the inverter panel. He was a real piece of work. I rang a local electrician and he discovered that a rat or possum had chewed through an electrical cable that went to a bedroom under the house. The solar system had been incorrectly installed and earthed to that very circuit of my main electrical board - what's the chance. That 10 minute repair cost $200 but at least they found the problem and at least it wasn't a failure of the Solar system - but it did highlight poor installation. The electrician "educated me" that, from his experience, most solar faults were from INVERTER Failures irrespective of BRAND or AGE. I later researched online that earthing faults were the main issue but they were more time consuming and more difficult to analyse.

Then after 9 years from purchase, I started getting the RED Fail light on the Inverter that would only reset occasionally. I tried hundreds of combinations of RESETS at different times of day, during rain, and on sunny days - I tried everything. I researched all of those annoying Inverter FAULT CODES and watched hours of YouTube videos from Solar repair guys. I learned that although Inverters often fail, the main cause of system problems was earthing problems due to system corrosion and deterioration. However, after a few months of accepting that my system was dead, I noticed that if there was a blackout in the street, the system would magically come back to life. After a blackout, my system would work all day and at the correct output without any reset by me. But then, the next day it would not reset - despite powering down my whole house in a vain attempt to replicate the blackout and nullify any earthing problems. I was reluctant to deduce it was an inverter failure because it worked all day at the expected output– when it worked. However, Inverters do partially fail and some fault codes are indications of the inverter being “on its way out”.

The solar industry is rife with dishonest and incompetent tradies. I had one company (Contractor 1) come out to my house and spend 10 minutes accessing the system. The young electrician merely opened up the DC Isolators but did no Megger analysis of the system to detect earthing problems - despite repeated requests from me to do so. He said the system was old and damaged and then quickly switched into sales rep mode for buying a whole new $10000. I paid the expensive fee but was very disgruntled with the incompetent and flippant service. I mean, I knew it was broken before he turned up, and all he did was say "yep it's broken". So, what did I pay for? How is that different to getting a free quote for a new solar system. Then I tried several electricians who didn't return the calls. Then I called Contractor 2 in Wollongong who charged me $hundreds to come out and take a picture of my electrical box and told me I had to replace all the wiring in the solar system. Then he never came back to fix anything after he got his payment based on him coming back to fix it. He would not even return emails. He just did a runner with my money. But to really rub it in, he sent me a voucher that said I had a 1 POINT voucher towards a holiday in some useless holiday rewards system. There were a lot of expletives coming from my mouth when I opened up that mail in utter disbelief. So, no fix to the solar but 1 point towards some infuriating holiday scam. You can't make this stuff up.

So, I tried to find an honest electrician in Wollongong without any luck. $400 was wasted on paying callout fees to useless immoral electricians who were on the job for 10 minutes, then never came back to fix anything - or only tried to sell me a new $10000 solar system.

Some solar electricians have worked out that it is simply easier to make money from turning up and saying "yep it's broken, that will be $250", rather than the inconvenience of rectifying anything. That is if you can get one to return your calls or even turn up. Imagine taking your car the mechanic and at the end of the day he says “yep it needs repair, that will be $250” without even opening the bonnet. So why is that immoral practice acceptable in some parts of the electrical trade? And yes I understand the idea of the call out fee, but the moral contract built into that fee is the agreement that there will be an attempt to actually do work and fix something.

So just when I had given up hope, I made a random and final search online for a solar repairer in Sydney. I came across POWERIX in Cronulla. They were very professional and patient in finding the cause of the problem. The electrician was tenacious in his analysis and always kept me informed of his progress every 30 minutes or so. The electrician owned an expensive Megger analyser that helped with the detection. In the end, the resolution came from tenacious deduction and problem solving beyond the limits of the equipment. The problem was multi-faceted: component failure in one string of panels and an inverter that was failing randomly and repeatedly. It took hours to come to this conclusion with lots of component isolation work and covering up panels on sunny days to work out which panel had failed. So (yes) in the end, it was my inverter that had failed, but replacing the inverter without fixing the upstream problems would not have worked and would have been an expensive mistake. He was a credit to the company and a great ambassador for the concept of the "honest tradie". He was an intelligent guy with a calm analytical manner. He communicated well and showed both humour and empathy with the problem. Powerix is a breath of fresh air in a highly corrupt and inept solar industry.

You can read the original review here: https://www.productreview.com.au/listings/powerix

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