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Figure 2-11.Noninsulated terminal lugs and splices
COMPRESSED AIR/NITROGEN HEATING TOOL

Neets Module 04-Introduction to Electrical Conductors, Wiring Techniques, and Schematic Reading
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2-12 Figure 2-12.—Crimping small copper uninsulated terminals. NONINSULATED TERMINAL AND SPLICE INSULATION When noninsulated terminals and splices are used, some form of insulation must be used to cover the bare conductor. The two most common forms of insulator used for terminals and splices are transparent tubing (commonly called spaghetti) and heat-shrinkable tubing. If spaghetti is used, it must be tied with lacing twine, as illustrated in figure 2-13. Heat-shrinkable tubing is shrunk to the desirable size by applying dry heat. It is also a good way to insulate terminals and splices, as illustrated in figure 2-14. This tubing shrinks to approximately one-half its original diameter when heated with an electrical hot-air gun (figure 2-15). Here are the steps for using the hot-air gun: Figure 2-13.—Spaghetti tied with lacing twine.






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