Flickering Lights & Intermittent Electrical Power Loss Diagnose & fix flickering or dimming lights or lost electricity. First off DON’T PANIC !!! The lights only flicker when 1 element is on. Had electric company out to inspect transformer. The pole has a transformer, meter and a 200 amp service. If you have loads that turn on and off, like lights, then the voltage supplying your lights will change, and a flicker will occur. Sometimes when I flip either switch, the light does not come on, or it flickers and then turns … 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. We checked for bad neutrals and grounds at the service. I have the electrical pole next to my barn, not next to the house. New construction, roughly one year old. Lights still flicker. The washing is plugged into a 20 amp dedicated circuit and the wiring connections are correct and tight. Flickering Lights May Require a New Light Switch I have a light fixture that can be turned on/off by 2 different switches. AC repair man comes out 3 times - AC is in perfect condition with new hard start kit. 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. Even recessed lights can loosen, so check those connections first. Any suggestions? Call different electrician - he goes through my house and can't find a problem so he suggests its a loose neutral on PoCo side. This means that when the current reaches a destination, there is slightly less voltage for your various loads (lights, toaster, etc.). There may be a simple solution for your problem. Loose light bulbs mean the socket isn't making proper contact with the bulb, and that can cause intermittent flickering. DEAR TIM: I built a new home about two years ago. If we turn on more than 1 faucet or a bathtub and the second element kicks on, this problem goes away. Many loads have inrush current, which draws a lot more current when first turned on. When the washing machine starts in the wash cycle all of the overhead lights in the house flicker. 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. March: lights still flicker randomly. Lights in the home only flicker when a large appliance (such as the air conditioner) kicks on. First verify that you really have a problem, and it’s not a problem that the whole neighborhood is having. How to diagnose the causes of flickering or dimming lights at or in buildings. Was told the transformer serves 3 house (each roughly 3100 sqft) and has "more than enough voltage for the 3 houses" and there was no drop in voltage from the box to the meter on my house … Mainly when my AC kicks on. 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