Yes, a thunderstorm can potentially cause a power surge that may affect a microwave oven, as well as other electrical devices in your home. Power surges occur when there is a sudden increase in the electrical voltage in the power supply. These surges can happen due to lightning strikes, power line disturbances, or other electrical issues associated with thunderstorms.
During a thunderstorm, lightning strikes can induce power surges in the electrical grid. These surges can travel through power lines and enter buildings, affecting connected appliances and electronics. If a power surge reaches a microwave oven, it can cause damage to its electrical components or control circuitry.
To protect your microwave and other sensitive electronic devices from power surges during a thunderstorm, it is recommended to use surge protectors or uninterruptible power supplies (UPS). These devices are designed to absorb and redirect excess voltage, safeguarding your appliances and electronics. It's also advisable to unplug valuable or sensitive equipment during severe thunderstorms to minimize the risk of damage.
Additionally, having a properly grounded electrical system can help mitigate the impact of power surges. Consulting with a qualified electrician to ensure your home's electrical wiring and outlets are properly grounded is a good preventive measure.