{"version":"1.0","provider_name":"HVTestTech \u2013 High Voltage Testing Equipment Experts","provider_url":"https:\/\/hvtesttech.com\/be","author_name":"John Roberts","author_url":"https:\/\/hvtesttech.com\/be\/author\/salehvtesttech-com\/","title":"Why is CT Secondary Always Closed? - HVTestTech \u2013 High Voltage Testing Equipment Experts","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"EvovKBxy0t\"><a href=\"https:\/\/hvtesttech.com\/be\/why-is-ct-secondary-always-closed\/\">Why is CT Secondary Always Closed?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/hvtesttech.com\/be\/why-is-ct-secondary-always-closed\/embed\/#?secret=EvovKBxy0t\" width=\"600\" height=\"338\" title=\"&#8220;Why is CT Secondary Always Closed?&#8221; &#8212; HVTestTech \u2013 High Voltage Testing Equipment Experts\" data-secret=\"EvovKBxy0t\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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\/\/# sourceURL=https:\/\/hvtesttech.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/hvtesttech.com\/wp-content\/uploads\/2024\/09\/30.jpg","thumbnail_width":600,"thumbnail_height":338,"description":"Explore the critical reasons why CT secondaries must always remain closed in electrical systems. Understand the safety, operational, and equipment implications, supported by practical insights and industry best practices for electric power professionals. Table of Contents 1. Introduction: Importance of Closing CT Secondary Current Transformers (CTs) are fundamental components in electric power systems, facilitating accurate [&hellip;]"}