punchdown
The English word “punchdown” has 1 meaning listed here.
noun
- A kind of electrical connection often used in telephony, having solid copper wires that are punched down into short open-ended slots which are a type of insulation-displacement connector. The slots contain blades which cut through the wire's insulation as it is punched down, and hold the wire in position while making electrical contact.
Etymology
Deverbal from punch down.
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