1.WCJB copper lugs with clamp It is suitable for transition connection of the electric appliances of indoor distributing device with kinds of wire cables.Be made of T2 red copper and coated nickle. 2.WCJC copper lugs with clamp Be made of brass by die-cast and coated nickle. 3.c-clamp It is suitable for the connection of copper splicing wire, made of c-shaped copper material