How Do I Know If Water Got Into My Electrical Panel?

Water inside an electrical panel is dangerous, and the signs are not always obvious. Start by looking at the panel box itself. Check for water streaks, rust, or discoloration around the edges and on the breakers. Any corrosion on metal parts is a red flag, even if the panel looks dry on the outside.

You may also notice the panel door is warm to the touch or hear a buzzing sound. A persistent musty odor near the panel can indicate trapped moisture. If you have a smart meter or breaker system, check for error codes or alerts. Trust your senses, but never open the panel if you suspect water is present. Pay attention to any unusual behavior from your electrical system, as even minor changes can signal a problem.

• Water stains or drips on the panel face
• Rust or corrosion on breakers or bus bars
• Tripped breakers that reset then trip again
• Burning or fishy smell near the panel
• Flickering or dimming lights in the home
• Warm spots on the panel door or walls

Your first step is to stay safe. If the panel is wet or you see any signs of moisture, do not touch it. Stand on a dry surface, wear rubber-soled shoes, and use only one hand if you must operate the main breaker. If you cannot reach the breaker without risk, leave the house and call an electrician from outside.

Next, shut off the main breaker from a dry location, if possible. This cuts power to the entire home and stops the flow of electricity to the wet panel. After that, contact an electrician to inspect the panel. They can determine whether water entered and what repairs are needed. Do not attempt to dry the panel yourself, as that could expose you to live wires.

Once the power is off and an electrician has cleared the panel, you can address the water source. Find the leak or flood entry point and stop it. This might involve calling a plumber for a pipe issue or a roofer for a leak. Fixing the source prevents future water from reaching the panel again. Check the area for any other entry points that could let water in later.

After the source is fixed, water damage cleanup may be needed in the area around the panel. Wet drywall, insulation, or framing should be dried and repaired to avoid mold growth. A water damage pro can handle extraction and drying. Keep the panel off until both the electrician and water pro give the all-clear. Document the damage with photos for your records, as that can help with any insurance questions later.