Is it safe to put a microwave convection oven on a butcher block?

Yes, it is generally safe to place a microwave convection oven on a butcher block, provided the butcher block is sturdy and level. Ensure that the surface can support the weight of the oven and that there is adequate space for ventilation. It's also important to keep the oven away from any heat sources and to follow the manufacturer's recommendations for placement. Regularly check for any signs of heat damage to the wood.