A _____ is used to join two wires together.

The term used to join two wires together refers to a specific device designed for ensuring a secure and reliable electrical connection. A wire nut, also known as a marrette, is a type of connector that twists onto the ends of stripped wires, establishing a solid connection by securing them tightly together. When using a wire nut, the insulation of the wires is effectively protected, which reduces the risk of short circuits or electrical failures.

Using a wire nut is advantageous in electrical installations for its ease of use and the effectiveness of connectivity it provides, making it a common choice among electricians for splicing wires. The design of a wire nut allows for quick assembly while ensuring that the join is stable and less prone to corrosion since the conductive parts remain shielded from moisture and oxygen.

Other methods of joining wires, such as soldering or using splices, may have different applications or requirements for techniques and tools, but for general electrical connections, wire nuts are specifically designed for that purpose and are widely used for their reliability and simplicity.