10 Wiring Problems Solved - This Old House Overlamping is when a light fixture has a bulb with a higher wattage than the fixture is designed for. Uncovered junction boxes increase the risk of wire damage and shock 1. Overlamping. What it Lights flicker when it's windy because frayed wiring causes a short whenever the cables move 2. Not enough outlets means you're likely to rely on extension cords and power strips 3. Lights Flicker See all full list on thisoldhouse Troubleshoot Electrical Wiring Problems - Ask-The-Electrician My primary goal of this web site is to help people understand what is involved with the home electrical systems so we don't have to end up troubleshooting your house electrical wiring problems. Usually there is a logical reason why an electrical failure has occurred.