Twist-on wire connector

"Marrette" redirects here. For the French politician with a similar surname, see Jacques Marette.

Twist-on wire connectors are a type of electrical connector used to fasten two or more low-voltage (or extra-low-voltage) electrical conductors. They are widely used in North America and several European countries in residential, commercial and industrial building power wiring, but are distrusted in some countries, due to early porcelain versions breaking apart, exposing bare conductors.

Twist-on connectors are also known as wire nuts, wire connectors, cone connectors, or thimble connectors. In Canada, the trade name Marrette (see ยง History) is commonly used generically for connectors of any brand.

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