Wire nuts are simple, but essential, tools for your electrician’s toolkit. They can be used to fasten multiple wires and come in a variety of shapes and sizes to suit your needs. They are made from a combination of plastic and a coiled insert made of metal. The insert is what allows the nut to hold the wires together and maintain the electrical current. Wire nuts should be on hand at all times in order to ensure that you can complete your electrical repair without the need for additional materials.Working in the electrical field requires proper training and a high level of professionalism in tacking electrical repair and maintenance needs in order to prevent unwanted incidents. Have the right electrical tools in order to complete your repair quickly and easily is what separates a good electrician from the rest.