Flickering lights sit in an annoying spot: sometimes the fix is a $6 bulb, and sometimes it’s the first warning of a genuinely dangerous problem. Here’s how we sort it on real service calls.
Start simple: tighten or swap the bulb. If it’s on a dimmer, mismatched LED bulbs are the most common cause in the entire category. Older dimmers were built for incandescent bulbs and make cheap LEDs strobe. A dimmer-rated bulb or a modern LED dimmer usually ends it. If one fixture keeps flickering after a bulb swap, the fixture or its connection needs a look.
A brief dip when the AC, dryer, or a shop tool starts is common. Big motors pull a surge of current on startup. Occasional and brief is usually tolerable. But if the dip is getting worse, or your panel is an older 100-amp service juggling modern loads, your system may be running out of headroom. That’s a capacity conversation, and it’s exactly what we check during a panel evaluation.
This is the one we take seriously. Whole-house flickering often points at a loose or failing connection in the main electrical path: the panel, the meter, the service cable, or the utility’s neutral connection. A failing neutral can send wild voltage through the house and destroy electronics, or worse. In older Cincinnati housing stock, Norwood, Clifton, Hyde Park, we see service equipment that has been up for fifty or sixty years, and connections don’t last forever.
If the whole house flickers, especially with buzzing at the panel, warm outlet covers, or lights that sometimes get brighter, call an electrician promptly. Brighter is the tell people don’t know: it usually means a neutral problem, not a bulb problem.
Our residential service charge is $150, and you’ll have a flat price for the fix before we touch anything. The rare serious ones, service connections and failing panels, cost more precisely because they matter more. Call or text (513) 866-8685.