Ideal for highly reliable use in an extensive range of electrical wiring applications, these nylon insulated closed end connectors feature a solid two-​piece construction, a translucent nylon molded insulator, as well as a metal wire connectors insert, which is made of an exceptionally durable annealed, tin-​plated, seamless, pure electrolytic, tough pitch copper. Individual closed end connector design and performance requirements dictate the use of copper inserts. These insulated closed end connectors are all rated for a maximum of 600 volts, and are also available on Mylar tape. These closed end plastic connectors are offered in an assortment of wire ranges (8, 16-​10, 22-​12, and 22-​14) and in convenient package quantities of 100 or 1000.