It is generally safe to have metal objects near a microwave as long as they are not placed inside the microwave while it is operating. Microwaves work by generating electromagnetic waves that excite water molecules in food, causing them to heat up. Metal objects can reflect these waves and create electrical currents, which can lead to sparking or arcing.
Placing metal objects inside a microwave can cause damage to the appliance and potentially create a fire hazard. Therefore, it is important to avoid putting metal utensils, aluminum foil, or containers with metal accents inside the microwave.
However, having metal objects in close proximity to a microwave, such as on a nearby countertop, should not pose a significant risk. The metal objects will not interact directly with the microwaves generated by the oven, and the radiation from the microwave should not escape or harmfully affect the surrounding area.
To ensure safety and prevent accidents, always follow the manufacturer's instructions and guidelines regarding the use of metal objects near your specific microwave model.