What is Surge Protection? Unraveling the Mystery of Electrical Safeguards

4 minute read
17 Jan, 2024

Surge protection might sound like technical jargon or a marketing gimmick for fancy gadgets. But is it just a fancy term, or does it hold the key to safeguarding our beloved electronic devices? Let’s dive deep into what is surge protection and why it’s more than just a buzzword.

A blue tv stand with a wooden top featuring electrical safeguards.

What is Surge Protection?

A power surge is akin to a tsunami of electricity, overwhelming everything in its path. It occurs when a sudden voltage increase significantly exceeds the standard level in an electrical system. It could be due to lightning strikes, power line damages, or even internal issues like large appliances turning on and off. Now, if you’re wondering about the havoc it wreaks, imagine trying to fill a water balloon under a high-pressure tap – it’s bound to burst, much like your electronics under a power surge.

Types of Surge Protection Devices

Surge Protection Devices (SPDs) are classified into different types, each serving a specific role in safeguarding electrical systems from voltage surges.

Type 1 Surge Protectors

Type 1 SPDs are heavy-duty devices that handle large surge currents, typically those associated with direct lightning strikes. A 10/350µs waveform characterizes them and usually employs spark gap technology. These devices are often installed at the service entrance point, between the secondary of the transformer and the main circuit breaker, especially in buildings equipped with a lightning protection system. 

They are crucial in environments prone to direct lightning hits as they can discharge partial lightning currents, thus protecting the entire electrical installation.

Type 2 Surge Protectors

Type 2 SPDs are commonly used within the main distribution board of residential and commercial buildings. They are designed to protect against indirect lightning strikes and switching transients, characterized by an 8/20 μs current wave. 

These devices often use metal oxide varistor (MOV) technology and are suitable for safeguarding against surges originating from the electrical grid or large appliances switching on and off. They are typically installed downstream of Type 1 protectors to provide a second layer of defence against surges.

Type 3 Surge Protectors

Type 3 SPDs are installed close to the end devices and are known as point-of-use surge protectors. They are designed to protect sensitive electronic equipment from surges originating within the building, such as from household appliances. 

With a lower discharge capacity, they are usually installed as a supplement to Type 2 devices to provide finer protection right at the point where devices are used, like socket outlets. These are crucial for safeguarding individual appliances or electronics against smaller, more localized surges.

Each type of SPD plays a unique role in a comprehensive surge protection strategy. Type 1 devices mitigate the effects of large external surges, Type 2 devices handle medium-sized surges occurring within the electrical distribution system, and Type 3 devices offer the final line of defence for sensitive electronics against small internal surges.

Key Features to Consider in Surge Protectors

  • Clamping Voltage: This is the voltage threshold the SPD kicks in to protect your devices. Lower clamping voltage means quicker activation and better protection.
  • The Number of Outlets: Always choose a surge protector with more outlets than you currently need – in the future, you will thank you!

Surge Protectors vs. Power Strips

Surge protectors and power strips may look similar but serve different functions. Power strips provide additional outlet space, functioning as an extension cord with multiple outlets. However, they offer no protection against voltage spikes. Surge protectors, however, come with built-in circuitry specifically designed to protect your devices from sudden electrical surges. 

These surges can significantly damage electronic equipment, and surge protectors work to prevent this by managing unexpected voltage increases. Therefore, while both devices can expand the number of available outlets, only surge protectors safeguard your electronics from potential power surge damage.

How Surge Protectors Work

Imagine a surge protector as a bouncer at the club of your electrical system. It keeps an eye on the voltage and, should it spike, diverts the excess energy away from your precious devices, typically through the grounding line. This action shields your gadgets from the brunt of the surge.

The Impact of Surge Protectors in Your Home

Surge protectors are not just about safeguarding your computers or TVs; they’re about preserving the heart of your home’s electrical health. From refrigerators to gaming consoles, they shield various appliances, ensuring longevity and preventing unexpected breakdowns.

Frequently Asked Questions:

Are surge protectors necessary for every home?

Absolutely! With the plethora of electronics we use daily, having a surge protector is like having insurance for your gadgets.

How often should I replace my surge protector?

It’s not about time but about ‘surge mileage.’ If your home experiences frequent surges, consider replacing your protector more often.

Conclusion: Why Surge Protection is Non-Negotiable

In today’s electrified world, surge protection is not just an option but a necessity. It’s the unsung hero that works silently but effectively, guarding your electronic assets against unforeseen electrical villains. Embrace surge protection, and give your devices the shield they deserve.

Vikki Pennington
Vikki Pennington

Left us a 5 star review

google
Vikki Pennington
July 30, 2024

Jarryd is very professional, he phoned to advise what time he would be arriving. He was neat, tidied up afterwards and completed the job within the advised quote. He installed lights and updated several power points . Would recommend him for all electrical work.

google
Glenn Jopson
July 12, 2024

Jarryd and his Team were very professional, punctual and carried out a high quality of workmanship. We are very satisfied with the whole process, from the onsite consultation to the final installation of our Domestic Solar System. Down To The Wire will be installing more systems on our other properties in the near future. Thanks Guys. Glenn and Debbie Jopson Belmont, Brisbane.

google
Rebecca Mead
June 24, 2024

Jarryd was a prompt and professional communicator. He was very helpful and completely our extensive job efficiently and at a fair rate. Highly recommend!

google
Riordan Reynolds
June 13, 2024

Excellent local electrician! Always helpful and reasonably priced.

google
Colin Coker
June 5, 2024

The electrician (and apprentice) arrived on time 7am, installed an inside and an outside double power outlet, cleaned up and were finished within half an hour. Would definitely recommend them.

google
Adam Houlahan
May 31, 2024

Jarryd and Matt were exceptional to deal with. Our outdoor area with Spa and Ice bath are safely connected. I'd highly recommend Down To The Wire for all of your electrical needs. We will be using them again.

google
Bozzoli Kym
May 9, 2024

Great communication with Jarryd. The service was prompt, professional and speedy. Will definitely use again.

google

I highly recommend Down To The Wire Electrical Services! They booked me, came to assess, and then came and did the job - doesn't always happen this way. The charge was reasonable, and Jarryd and Matthew are very professional.

google

Silly me forgot a ladder at home whilst doing a clients tall hedges.Matt & Emerson were kind enough to let me use there ladder, which I was extremely appreciative.I reckon a 6 pack of beers from the boss wouldn't be a bad reward

google
Jody Stewart
April 19, 2024

Very professional install of new oven. Went over and above to help

google
Lee
March 26, 2024

Highly recommend using these guys. Very professional, communicate well, turn up on time and were very accommodating to some slight changes I requested.

google
Andrea
March 26, 2024

I highly recommend Jarryd & his team for any electrical, solar or air conditioning needs. We had an electrical fault that needed attention asap. Jarryd & Emerson were here on time, found the problem quickly & repaired it in no time. They were professional, knowledgeable, extremely polite and very affordable. I can’t thank them enough. For any electrical work you need contact Down To The Wire Electrical Services you won’t be disappointed.

google
Jo
March 26, 2024

Jarryd was prompt, reliable and knowledgeable. His fees were very reasonable with excellent communication. I would happily recommend his services

google
Alexander Jones
March 20, 2024

Jarryd and his team installed a 10kW solar system at my place. They communicated well, were very efficient with installation, and cleaned everything up before showing me how to use it and the accompanying app. Very pleased with the result!

google
Elena Metilkova
February 22, 2024

Wonderful job! I urgently needed to install a fan and Air Purifier. They responded quickly, arrived on time, did the job quickly and quality ,answered all my questions.

google
James Bienke
February 21, 2024

Highly Recommended, Excellent Service , Will Definitely Call for any Further Electrical Work that we may need, Very Professional

google
Geoff Martin
February 19, 2024

We had a old fuse issue in the meter box early Saturday morning,, Phoned Jarryd and had one of the team there before lunch .. very prompt and reliable service.. highly recommend Down To The Wire .. cheers Geoff Martin..

google
Michael Doedens
February 14, 2024

Needed a job done fast and with short notice and Jarryd delivered. Excellent communication and work.

google
Richard Champion
January 30, 2024

The whole process of quoting and completing the job was flawless and done in a pleasant manner. Mat did all the work professionally and gave me good communication where necessary. Highly recommended.

google
Ben Farah
January 24, 2024
google
Dean
January 12, 2024

Highly recommend Jarryd and Down to the Wire for ALL your electrical needs. The professional approach to completing the various electrical jobs around our home, both indoors and outside and keeping us informed along the way gave us great confidence. Very responsive and quick to follow up. We are very happy with the finish jobs.

google
Julie Jones
January 9, 2024

Jarryd and his team from Down to the Wire Electrical Services were amazing! Extremely professional. His communication, work expertise and customer service was impeccable. Hanging our beautiful chandelier was a mammoth effort but Jarryd and his team did it with ease. Jarryd is to be commended. I will be definitely using his services again. Thanks Jarryd 👍

google
Doris Johns
January 9, 2024

Jarryd was very pleasant to deal with & a very down to earth attitude who took pride in his work offering reasonable pricing ..what impressed me was a simple phone call to let me know he would be a little later than 1st thought if & when I need an electrician I definatley will be using Down to the wire electricial in the future

google
Anne williams
December 25, 2023

Thank you Jarrod for coming out at short notice on Christmas day. You were very well priced and extremely helpful. Will definitely be using you again should any electrical needs arise.

google
Elle P
December 19, 2023

Jarryd and team have been amazing for our electrical and solar needs and have gone above and beyond. The best in SEQ! Thank you Jarryd.

google
Robyn Hyman
December 1, 2023

Very happy with the guys from Down to the Wire Electrical installed down lights and fans on our new patio. The electricians arrived on time were friendly made some good suggestions, not too mention a really good price! Will use again and highly recommend Down to the Wire Electrical.

google
Karen Owen
December 1, 2023

Highly recommend Down to the Wire Electrical Services. Staff are very professional, respectful of your home and installed items to the highest standard. I have used them twice and would certainly engage their services in the future.

google
Elizabeth Greenhalgh
November 23, 2023

Excellent job. Exceptional customer service. Highly recommend this company.

google
Toni Coulter
November 22, 2023

Jarryd was prompt in all aspects of his work, from the quote to the install of our 4 x Ceiling Fans and 3 x Double Power Points. All his work was carried out promptly and our home left neat and tidy with no rubbish left at all. I would not hesitate to call Jarryd for future work and thoroughly recommend him if you are seeking some electrical work. Thanks for great work Jarryd.

google
Keith Gratton
November 22, 2023

Great service from quoting through to completion. Work was completed earlier than expected and quality of work was above my expectations. Highly recommend…

google
Peter Carroll
November 16, 2023

Great young man to deal with will pass on his number to all who ask me for a sparky

google
Kathy Eadie
November 16, 2023

We were very happy with the professionalism of Jarryd and his team. Great communication and service. We will be using Down to The Wire for all our future electrical needs.

google
Tina Hersom
September 28, 2023

Jarryd came out, completed a quote, explained what he needed to do to rectify our electrical situation and involved us in the process. The job was done quickly and without fuss. We have used them for another job already and both times have been very impressed with the service we received. They came when they said they would, were very professional and were very reasonably priced. I would recommend Down to the Wire Electrical Services

facebook
Katrina Cee
recommends
September 22, 2023

Prompt service today from Jarryd. I realised that the hot water was not working. Asked locally for some recommendations and Down to the Wire came to the rescue within a few hours. Very reliable, job complete in under an hour. Great job!

facebook
Donna Hall
recommends
August 16, 2023

Fantastic work.. on time, efficient, clean and tidy, dismantled all fans for easier disposal, very reasonable price, local business & a great guy.. Had 8 fans replaced coming back to replace all downlights!

google
Lindsey Strahan
August 10, 2023

I called Jarryd at Down To The Wire to see if he could replace and install smoke alarms. He sent James to carry out the task. All went very smoothly and in a very short time I was compliant with Government Legislation. James was really on the ball and did a great job. Pricing was good as well. Thankyou to Down To The Wire for being so professional. I wouldn't hesitate to get them back again for any Electrical related work. Lindsey Strahan

google
Colin Austerberry
August 7, 2023

Good business. Solid communication, honest advice, courteous and professional service. Had some kitchen light fittings and smoke alarms replaced. Will definitely call on these guys again.

google
Sue O'Loan
August 6, 2023

Jarryd and his team proved to be an excellent choice to install new outdoor lights, wire in an electric awning and replace damaged outlets. Jarryd was a pleasure to deal with, courteous and professional, and his team likewise. I would seriously recommend Down to The Wire to anyone who needs an excellent electrician... Thanks Jarryd and the team for a job well done, on time, and at a fair price.

google
Jacqueline Curran
July 24, 2023

Jarryd and his team were very responsive, professional and good value for urgent electrical works needed at my investment property. Would recommend and will be using them again.

google
Jeanette Shaw
July 7, 2023

Wonderful electrical service from Jarryd, he is exceptional! Always punctual, obliging and efficient. Extremely good pricing, and neat, clean work. Thoroughly recommend him to anyone needing electrical work!

facebook
Shane Holbeck
recommends
June 22, 2023

Fantastic service at a reasonable price. Replaced all the fans in our house as well as a few other odd jobs that needed doing. Operated in a very efficient manner. Very quick at troubleshooting problems caused by previous electricians. Will definitely be using again.

google
Dominique Appay
May 11, 2023

Jarryd and his team are very professional and work to a very high standard. We are very happy with the installation work and highly recommend him.

google
Amanda Henley
April 27, 2023

Jarrod was the cleanest traddie we have ever used. We had a huge job and it took weeks to complete and Down to the Wire were always, always in contact with us. Jarrod went above and beyond to ensure the job was done on time and with the highest possible standards met every time. What stood out to us was he was always on call and dealt with all our requirements quickly and efficiently. And always tidied up afterwards. Price was fair and quality of work was perfect. Highly recommended. 6 stars out of 5...

google
Julie Fielding
April 21, 2023

Hightly recommend Jarryd and the team, they delivered a great quality service with a smile and even a pat with my dogs. Very happy with the quality of the job and they went the extra mile to make sure we were happy too. Well done, will use again

google
Sue Kite
February 17, 2023

I have been using Down to the Wire for approximately 9 months from replacing ceiling fans, smoke alarm installations and repairing a switchboard. He has been brilliant and I could not recommend him more. He just guided me with the purchase of a particular fan saving more than $200 on the item

google
Regan Caruso
February 3, 2023

Great business, professional and prompt. Jarrod instilled an air con, and some lighting for us, when then had to call him out on a Saturday for a problem, he came straight away and fixed the issue… highly recommend!

google
Sue Scott
January 20, 2023

We recently had Jarryd and Emerson on site at late notice when our other electrician was unavailable. We were doing a full home reno and the boys jumped straight in and completed everything we needed so not to hold up other trades. We then had them back a couple of times to change lights /fans / add lighting / power up shaving mirrors & bathroom heat lamps & fans and move air con units. Every time they were professional, on time & had great communication with bookings & changes to times. We're very happy customers and trust them with all our electrical work. Thanks heaps guys 👌 great work!

google
Erika Pollard-brown
November 11, 2022

Jarryd and his apprentice were amazing. Cleaned up after themselves job well done he's my go to electrician for sure.