What is a characteristic feature of a portable appliance?

A characteristic feature of a portable appliance is that it is generally used on countertops. This highlights the design and functional versatility of such appliances, allowing them to be easily moved and set up in various locations within the kitchen or other areas of the home. Portable appliances are typically lightweight and compact, making them ideal for use in limited spaces or for tasks that require mobility, such as blending, toasting, or cooking.

Though energy efficiency, specific electrical requirements like requiring a dedicated circuit, and having a fixed location are relevant considerations in appliance use, they do not define the portable nature of an appliance. Energy efficiency can vary among portable appliances, and many do not necessitate a dedicated circuit due to their lower power demands compared to larger, stationary appliances. Additionally, a fixed location contradicts the very definition of portability, which emphasizes an appliance's ability to be easily moved and used in various areas as needed.