Electrical crimp connectors come in dozens of different materials and styles: nylon, PVC, non-insulated, insulated, heat shrinkable, ring, spade, Faston, Lucar, Shur-Plug—the list is extensive.

Almost every project of mine from the last quarter century, if it has contained any wiring, has featured somewhere at least one crimp connector. There are a multiplicity of different types of ...