Signs your switchboard needs an upgrade

Most people open the switchboard door twice a year at most, usually with a torch in one hand after the lights have gone out. That is a shame, because a quick look can tell you a lot about the health of your home's electrics. Here are the signs that suggest your board is due for an upgrade, and what each one means.

1. You still have ceramic fuses

If your board has white ceramic fuse holders that you pull out and rewire with fuse wire, it dates from a time when homes used far less power. Rewireable fuses do protect cables from overload, but they are slow to respond and easy to rewire with the wrong gauge of wire. They also offer no protection against electric shock. Our guide on ceramic fuses vs circuit breakers explains the difference.

2. There is no safety switch

Look for a device with a small button marked "T" or "Test". That is a safety switch, or RCD. If you cannot find one, your circuits have no protection against earth leakage, which is what causes most serious electric shocks in the home. Read what is an RCD and how many do I need.

3. Burning smells, heat or scorch marks

A switchboard should never smell hot or show brown or black marks. These point to loose connections or overloaded components heating up. Do not wait on this one. Turn off what you safely can and call an electrician.

4. Frequent tripping or blown fuses

An occasional trip when an old appliance fails is normal. Regular trips when you run the kettle, toaster and microwave together suggest the circuits are carrying more than they were designed for. That is common in older homes where the kitchen has grown but the wiring has not.

5. Flickering or dimming lights

Lights that dim when a big appliance starts, or flicker for no clear reason, can point to a loose connection at the board or a problem with the main supply. It is worth getting checked.

6. The board is full

If there is no room for another circuit breaker, adding a new oven, pool pump, sauna or air conditioner becomes awkward. Squeezing extra loads onto existing circuits is how overloading starts.

7. Old backing panels or a damaged meter box

Many homes around Warilla, Barrack Heights and Port Kembla were built between the 1950s and 1970s. Their switchboards are often mounted on a backing panel that may contain asbestos, inside a meter box that has weathered decades of coastal air. Cracked panels, rust and water inside the box are all reasons to call. See meter box hazards in older Illawarra homes.

8. You are planning a renovation

Even if the board is coping now, a new kitchen or extension will add circuits and load. Upgrading first often makes the rest of the job simpler. We cover this in switchboard upgrade before renovating.

What you can check yourself

• Open the board door and look, without touching anything inside
• Check for safety switches with a test button
• Note any smell, heat, buzzing or discolouration
• Take a clear photo of the whole board with the door open

Never remove the cover or touch exposed parts. Anything beyond looking is a job for a licensed electrician.

What happens next

If any of these signs sound familiar, the next step is an inspection. We will tell you whether a repair will do or whether a full upgrade makes more sense, and why. Our switchboard services page covers how we approach the work, and what happens during a switchboard upgrade walks you through the day itself.

Text a photo of your switchboard to Kalani on 0424 400 346, or call. We cover Shellharbour, Wollongong, Kiama and nearby suburbs, and we will give you a straight answer.