What wire nut means
A wire nut is a twist on connector that joins wires in a splice. Push in and lever connectors do the same job.
Also called twist-on connector, lever connector.
Where it matters on a electrical job
Loose splices cause flickering, heat and arc faults. When you track down an intermittent problem, open the splices first. Use connectors listed for the wire type, especially with aluminum.
Work it out
- Licensing: Electrical license rules by state
- Tools, templates and guides: Free electrical resources