punch down tool
Krone tool

A punch down tool is required to do this and two sorts are available.

The wire hook which comes on many punch down tools can also be used to remove wire pieces.

For light-duty use, there are also less-expensive punch down tools with fixed blades and no impact mechanism.

The contacts use silver to inhibit corrosion and require a punch down tool for wire insertion.

A tool called a punch down tool is used to push the wire down firmly and properly into the slot.

Most punch down tools are of the impact type, consisting of a handle, an internal spring mechanism, and a removable slotted blade.

A punch down tool, also called a punchdown tool or a krone tool (named after the KRONE LSA-PLUS connector), is a small hand tool used by telecommunication and network technicians.

To use the punch down tool, a wire is pre-positioned into a slotted post on a punch block, and then the punch down tool is pressed down on top of the wire, over the post.

However, the punch down tool blade also is usually used to cut off excess wire, in the same operation as making the connection; this is done with a sharp edge of the punch down tool blade trapping the wire to be cut against the plastic punch block.