Flickering Lights in Perth? 6 Causes Worth Checking
Flickering lights are easy to dismiss as an annoyance, but they are one of the few electrical symptoms that can point to something genuinely serious. Working out why you have flickering lights, and whether it needs urgent attention, is worth a few minutes. Here are six causes to check.
1. A loose globe
The simplest explanation first: a globe that is not screwed in firmly makes intermittent contact. If flickering lights are confined to one fitting, turn the power off at the switch, let it cool, and check the globe is seated properly. This solves a fair share of cases.
2. An incompatible dimmer
LED globes and older dimmers often do not get along, and the result is flickering lights or a faint shimmer at low brightness. If it started when you changed to LED, the dimmer is the likely culprit and needs replacing with an LED-compatible one.
3. A worn or faulty fitting
Fittings age, and the contacts inside them wear or corrode over time. Flickering lights confined to one older fitting, that persist after a new globe, usually mean the fitting itself is the problem rather than anything wrong with the circuit behind it.
4. A big appliance starting up
If flickering lights coincide with the aircon, oven or pump kicking in, you are seeing a momentary voltage dip as a large load starts. An occasional brief dim is not unusual, but if it is pronounced or happening constantly, the circuit may be working harder than it should.
5. A loose connection in the wiring
This is the one that matters. Flickering lights caused by a loose connection at a switch, fitting or in the wiring generate heat at the point of the bad contact, and heat in a wall cavity is how electrical fires start. It is not something to live with.
6. A supply or neutral problem
If flickering lights affect multiple rooms at once, or the whole house dims and brightens, that suggests a fault on the supply side or a neutral issue rather than a single fitting. This is a more serious category and needs an electrician to investigate properly.
One fitting or the whole house?
The most useful thing you can work out before calling anyone is the scope. A single light behaving oddly is usually a globe, dimmer or fitting. Several rooms flickering together points at the circuit, the board or the supply, and that changes both the urgency and who needs to look at it.
Check whether neighbours are affected
If the whole street is dimming, the issue sits with the network rather than your installation. A quick look outside, or a message to a neighbour, can save a callout, and it tells the electrician something useful if the problem does turn out to be on your side.
Do not just live with it
Because one of the causes is a loose connection quietly heating up, persistent flickering is not a symptom to normalise. Plenty of homes have put up with a temperamental light for years without incident, but it is a gamble with poor odds when the fix is usually straightforward.
When it is urgent
Flickering combined with a burning smell, warmth at a switch or fitting, buzzing, or scorching is not a maintenance item. Switch that circuit off if you safely can, and if it is the evening, an after hours electrician near me is the right call rather than waiting until morning.
Why use a licensed electrician
Diagnosing flickering lights beyond a globe or dimmer is licensed work, because the cause may be a connection hidden in the ceiling or wall. A licensed electrician traces and fixes it safely. The state’s Building and Energy sets the requirements involved.
Dealing with flickering lights in Perth?
ACS Electrical traces and fixes lighting faults, and is a 24/7 Emergency Electrician Perth and after hours electrician near me. Explore our lighting installation service, electrical maintenance and repairs service or safety switches guide. Call 0419 967 838.
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