<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">punch blocks</topic></authority><related type="broader"><topic>electrical system components</topic></related><variant type="other"><topic>blocks, punch</topic></variant><variant type="other"><topic>punch block</topic></variant><variant type="other"><topic>punch down blocks</topic></variant><variant type="other"><topic>punch-down blocks</topic></variant><variant type="other"><topic>punchblocks</topic></variant><variant type="other"><topic>punchdown blocks</topic></variant> <note xml:lang="en"><![CDATA[ Electrical connections used in telephones, computers, network cabling, and other contexts; characterized by solid copper wires having been punched down into short open-ended slots. ]]></note></mads>