punchdown (English, noun)
expansion: punchdown (plural punchdowns)
Senses:
topics: communications
electrical-engineering
engineering
natural-sciences
physical-sciences
telecommunications
glosses: 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.
Forms:
form: punchdowns
tags: plural