What is the primary use of a solderless wire nut?

The primary use of a solderless wire nut is to join two or more electrical wires securely. This device provides a simple and effective method for creating a mechanical connection between wires without the need for soldering. When wires are twisted together, a wire nut is placed over the joined wires, where it compresses the wires to ensure a solid connection. This not only makes the connection reliable but also allows for greater ease of installation and maintenance.

Additionally, wire nuts are designed to insulate the exposed metal, preventing electrical shorts and ensuring safety in electrical circuits. They are widely used in residential and commercial wiring projects, making them a very common tool for electricians and DIY enthusiasts alike. Other options, such as cutting, insulating (which the wire nut does as well but is not its primary purpose), or stripping wire ends, refer to different tools and processes involved in electrical work.