March: lights still flicker randomly. There is a 200amp service on the house and minor voltage drop (less than 4 amps)when this unit is running (It draws 110 amps). Lights in the home only flicker when a large appliance (such as the air conditioner) kicks on. Sometimes when I flip either switch, the light does not come on, or it flickers and then turns … The lights only flicker when 1 element is on. Mainly when my AC kicks on. The timing of the flicker is consistent with the rhythm of the machine. The washing is plugged into a 20 amp dedicated circuit and the wiring connections are correct and tight. First off DON’T PANIC !!! This means that when the current reaches a destination, there is slightly less voltage for your various loads (lights, toaster, etc.). If you have loads that turn on and off, like lights, then the voltage supplying your lights will change, and a flicker will occur. 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 … Lights still flicker. Call different electrician - he goes through my house and can't find a problem so he suggests its a loose neutral on PoCo side. 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. If we turn on more than 1 faucet or a bathtub and the second element kicks on, this problem goes away. How to diagnose the causes of flickering or dimming lights at or in buildings. I had the contractor dig a trench (200 ft) from this pole to the house. This is how the electrical service comes to the house. Loose light bulbs mean the socket isn't making proper contact with the bulb, and that can cause intermittent flickering. Even recessed lights can loosen, so check those connections first. The pole has a transformer, meter and a 200 amp service. New construction, roughly one year old. I have the electrical pole next to my barn, not next to the house. 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. When the washing machine starts in the wash cycle all of the overhead lights in the house flicker. Any suggestions? Flickering Lights May Require a New Light Switch I have a light fixture that can be turned on/off by 2 different switches. Many loads have inrush current, which draws a lot more current when first turned on. There may be a simple solution for your problem. DEAR TIM: I built a new home about two years ago. Had electric company out to inspect transformer. 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. 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