Look for signs such as flickering lights, burning smells, or unusual sounds coming from the cabinet. Additionally, inspect the cabinet for any visible damage or loose connections. Distribution boxes are the unsung heroes of our electrical systems, quietly managing power until something goes wrong. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. This could be due to natural wear and tear, poor installation, or animals chewing on exposed wiring. Here's a quick reference guide for the most common culprits: A buzzing outlet is never normal. It's typically caused by: When current. Then I moved locations and now it produces a rather loud buzzing sound all the time. Sounds like I have a big transformer under my desk.