Home›Browse›Current loop🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsРусскийहिन्दी中文日本語EntityQ1422221· pop 9· linked from 118 articlesCurrent loopSign in to saveAlso known as 4-20mAelectrical signalling schemeAvailable in 9 languagesEspañolFrançaisDeutsch中文हिन्दीCatalanFinnishNederlandsvia Wikidata sitelinks · CC0