Answer :

Final answer:

A punch-down tool is used to connect a wire between two punch-down block blades. It inserts the wire into the insulation-displacement connectors on the punch-down block, and cuts off the excess wire.

Explanation:

When connecting a wire between two punch-down block blades, the most appropriate tool to use is a punch-down tool. A punch-down tool is a small, handheld device that is used to insert a wire into the insulation-displacement connectors (IDC) on a punch-down block. The tool 'punches' a wire into the blade slots, forming a tight connection that is electrically conductive. When using a punch-down tool, the blade of the tool cuts off the excess wire at the same time it connects the wire to the punch-down block, ensuring a proper connection.

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