TTD系列穿刺線夾主要用來連接絕緣電纜,也可用于獨立的照明及其它光源類線路，殼體和JBC及CPB絕緣穿刺線夾一樣，也是采用防紫外線的材料制成。It is not only used to connect the (or separate) the self-supporting insulated wire, but also used to separate lighting circuit, the body materials are UV-resistant.