{"version":"1.0","provider_name":"Universe of Instrumentation","provider_url":"http:\/\/www.edisontc.org\/ui","author_name":"admin","author_url":"http:\/\/www.edisontc.org\/ui\/author\/admin\/","title":"CTs and PTs - Universe of Instrumentation","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"gAC45Hb11Z\"><a href=\"http:\/\/www.edisontc.org\/ui\/home\/course\/unit-i\/cts-and-pts\/\">CTs and PTs<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/www.edisontc.org\/ui\/home\/course\/unit-i\/cts-and-pts\/embed\/#?secret=gAC45Hb11Z\" width=\"600\" height=\"338\" title=\"&#8220;CTs and PTs&#8221; &#8212; Universe of Instrumentation\" data-secret=\"gAC45Hb11Z\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.edisontc.org\/ui\/files\/2016\/02\/Unit1Banner900-1a.jpg","thumbnail_width":800,"thumbnail_height":254,"description":"When we talk about measuring current we immediately run into the problem of how to measure higher currents found in AC power transmission. Engineers discovered they can use transformers not just for converting voltages for transmission, but to grab a sample of the line for use with meters that would otherwise burn up under the &hellip; Continue reading"}