DEAR TIM: I built a new home about two years ago. Loose light bulbs mean the socket isn't making proper contact with the bulb, and that can cause intermittent flickering. This is how the electrical service comes to the house. The pole has a transformer, meter and a 200 amp service. The timing of the flicker is consistent with the rhythm of the machine. I had the contractor dig a trench (200 ft) from this pole to the house. Had electric company out to inspect transformer. March: lights still flicker randomly. Flickering Lights & Intermittent Electrical Power Loss Diagnose & fix flickering or dimming lights or lost electricity. If we turn on more than 1 faucet or a bathtub and the second element kicks on, this problem goes away. Call different electrician - he goes through my house and can't find a problem so he suggests its a loose neutral on PoCo side. Sometimes when I flip either switch, the light does not come on, or it flickers and then turns … There may be a simple solution for your problem. How to diagnose the causes of flickering or dimming lights at or in buildings. If you have loads that turn on and off, like lights, then the voltage supplying your lights will change, and a flicker will occur. Lights still flicker. Mainly when my AC kicks on. Lights in the home only flicker when a large appliance (such as the air conditioner) kicks on. Flickering Lights May Require a New Light Switch I have a light fixture that can be turned on/off by 2 different switches. We checked for bad neutrals and grounds at the service. First verify that you really have a problem, and it’s not a problem that the whole neighborhood is having. Even recessed lights can loosen, so check those connections first. This means that when the current reaches a destination, there is slightly less voltage for your various loads (lights, toaster, etc.). First off DON’T PANIC !!! Flickering lights or household lights that dim periodically can be a nuisance, but usually there is a benign cause behind the flickering. Many loads have inrush current, which draws a lot more current when first turned on. AC repair man comes out 3 times - AC is in perfect condition with new hard start kit. This is actually a common problem, often associated with large outdoor A/C units that can draw up to 100+ amps when first turned on. When the washing machine starts in the wash cycle all of the overhead lights in the house flicker. However, flickering lights can also be an indication that there is a larger issue with your electrical system, in which case ignoring the issue can have serious consequences such as home fires. The washing is plugged into a 20 amp dedicated circuit and the wiring connections are correct and tight. New construction, roughly one year old. The lights only flicker when 1 element is on. Any suggestions? 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