UrgentDiagnostic guide
Lights flickering or dimming
Occasional single-bulb flicker is usually a loose bulb. Whole-house or multi-room flicker is a sign of a wiring problem that needs attention now.
01 / 04Likely causes
What is usually
behind it.
The shortlist of root causes we find on this call. The truck is stocked for most of these.
- 01Loose neutral at the main panel or meter base
- 02Overloaded circuit causing voltage drop
- 03Loose connection at the fixture or switch
- 04Bulb not fully seated or wrong type for the dimmer
- 05Failing dimmer switch
- 06Utility-side voltage fluctuation
02 / 04Right now
Do this while you wait.
Steps that can save product, prevent damage, and shorten the repair once we are on site.
Do this
- Note whether the flicker is in one room or throughout the whole house
- Check whether it happens when a large appliance (A/C, dryer) starts
- If flickering is sudden and throughout the house, call your utility to rule out a service issue
Do not do this
- Do not ignore whole-home flickering — a loose main neutral can damage appliances
- Do not add more loads to a circuit that is already flickering
03 / 04On the truck
What our tech will check.
The diagnostic flow we run on this call. Most are resolved on the first visit.
- 01Test voltage at the panel and at affected fixtures
- 02Inspect for loose neutral connections at the panel, junction boxes, and outlets
- 03Evaluate load balance across circuits
- 04Replace dimmer switches and tighten connections as needed
Fast dispatch
Most calls see a tech in under two hours.
First-visit fix
Common parts on every truck.
Documented
Photos and notes attached to your ticket.
04 / 04Related service
This sits under
our electrical service.
Outlets, panels, lighting, and troubleshooting — done by a licensed electrician who leaves it to code.
Related problems
Might also be one of these.
Other failures with similar symptoms or in the same trade.
Service request