![]() ![]() If you regularly work with other types of crimped connectors, Wirefy also makes a Crimping Tool Set with Interchangeable Dies that can be used for literally any kind of crimp-on wire connector that I know of. The crimper I used for this project is the Wirefy Crimping Tool For Heat Shrink Connectors, which comes with a lifetime warranty and quality rivaling crimpers costing three or four times its price. Using the wrong crimper increases the chances of insufficiently crimping the connector, deforming the metal-to-metal connection, damaging the insulation, or all three. Not all crimp-on wire connectors are the same, and not all crimpers are the same. The most important tool you'll need to do the job right is a high-quality crimper specifically designed for use with heat-shrink connectors. ![]() Using the wrong tools to crimp and shrink heat-shrink connectors will result in unreliable connections that usually will fail prematurely. The most common mistake people make when using heat-shrink wire connectors (and the most common reason why the connections fail) is not using the proper tools. Tools Needed to Use Heat-Shrink Connectors They can be used for temporary or permanent repairs, depending on the situation.īecause I used heat-shrink connectors pretty extensively in my DIY trailer-rewiring project, I thought I'd add this page about the proper way to use them. Heat-shrink butt splice connectors in particular are very handy to have around for quick and easy splices to repair wire damage due to corrosion, rodents, or other causes. Most also have an adhesive inside the insulation that seals tightly against the wire to help to make the connection weather-resistant, which in turn helps prevent corrosion.Īn assortment of heat-shrink connectors, a good crimper, and a heat gun are good to have handy if you frequently make repairs to wiring. Heat-shrink wire connectors are an excellent way to easily achieve long-lasting, reliable, and weather-proof connections when wiring cars, trucks, campers, trailers, boats, and other low-voltage wiring applications.Īs their name implies, heat-shrink electrical connectors have insulation that shrinks when heat is applied.
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