The union of separate wire ends to form a continuous circuit. A proper joint requires stripping the insulation, mechanically twisting or crimping the copper, and securing the connection with a wire nut, Wago, or split-bolt. Code strictly mandates that all such connections must remain accessible inside an approved enclosure.
Heard on the job
You can't leave a splice buried in the drywall, you have to cut in a junction box.
Also heard as
- joint
Related terms
Wire nut
Twist-on connector with a tapered spring inside, used to splice two or more wires together in a box.
Wago
Brand name used for push-in and lever-style splice connectors that clamp wires without twisting.
Make up
To splice, pigtail and fold the wires in a box so it is ready for a device or cover.
Junction box
An enclosure where electrical wires are joined and protected.