EntityQ1758936· pop 10· linked from 20 articlespunch down blockSign in to saveelectrical connection often used in telephonyConnectionsbusiness telephone systemEntitytelephoneEntityplasticEntityphysical toolEntityscrewEntityinsulatorEntityimpedanceEntitytelephonyEntityelectrical wiringEntitysound recording and reproductionEntitycrosstalkEntityCategory 5 cableEntitypatch panelEntityregistered jackEntitycopper conductorEntitymain distribution frameEntityAmphenolEntitypinoutEntityinsulation-displacement connectorEntitypunch down toolEntityCategoriesTelephone connectors