This type insulation piercing connectors are  a broad usage in the low voltage insulation lines and suitable for all types of LV-ABC conductors as well as connections to service and lighting cable cores.When tightening the bolts, the teeth of the contact plates penetrate the insulation and establish a perfect contact.

Fits up to this conductor size, but current rating max of connector is lower than possible cable ratings.

Note: 1.The stainless steel bolts and nuts, washer can change it according to the requirement.
2.The tin-plating copper teeth and aluminum alloy teeth can change it according to the requirement.