Electrician in Thornleigh
A commuter suburb along the train line in Hornsby Shire, mostly brick veneer from the 1960s through 80s.
What we actually see in Thornleigh
Thornleigh is a Hornsby Shire commuter suburb, and a lot of our work here overlaps with what we see in Normanhurst just up the line — 1960s to 1980s brick veneer, original circuit-breaker switchboards with no safety switch, and the occasional older Federation home closer to the Pennant Hills Road corridor.
It's a practical, working commuter suburb rather than a heritage one, so the jobs are mostly straightforward: switchboard upgrades to add RCD protection, fault finding on circuits that trip for no obvious reason, and a steady stream of EV charger installs as more driveways along the train line pick up a home charger.
What we're called out for in Thornleigh
Switchboard upgrades
Ceramic fuses and boards without safety switches replaced.
Fault finding
Tripping, no power, flickering — diagnosed with test equipment.
Safety switches & smoke alarms
RCDs and alarms to current NSW requirements.
EV charger installation
Including what to do when the board is already full.
Power points & circuits
Extra outlets and dedicated appliance circuits.
Downlights & LED lighting
Halogen conversion with correct insulation clearance.
Nearby suburbs we also cover
Thornleigh questions
Our switchboard is the original breaker type from the 1970s — does it need replacing?
If it has no safety switch (RCD) protecting the circuits, yes — that's the main gap we find in Thornleigh's brick veneer stock. A standard upgrade runs $1,500–$3,500.
Can you install an EV charger at our place?
In most cases yes, and it's routine work here. We check the board's spare capacity first and include any upgrade needed in one fixed price rather than quoting the charger alone.
Why does a circuit keep tripping for no obvious reason?
Usually a fault developing somewhere on that circuit rather than the safety switch itself being faulty. We isolate and test to find the actual cause, which is included in a standard fault-finding callout.
How quickly can you get to Thornleigh?
It's a regular stop on our run through the North Shore, so turnaround is usually quick. Call and we'll confirm availability.
What customers say
Had a great experience with Jason — top guy at what he does. I recommend him.
Jason solved a really complex problem for our house with excellent professionalism and workmanship. Highly recommend, would def work with him again. On time delivery and within budget.
Jason was great! One call and less than an hour later, he was here to save the day. Five stars for the prompt and reliable service.
These are Google reviews for our team at Cync Electrical & Automation — the licensed contractor behind North Shore Electrical & Automation. 5.0 from 20 reviews. — see the profile
Need an electrician in Thornleigh?
Send us the details, or call 0422 253 379.