{"version":"1.0","provider_name":"HMF - Engineering &amp; Project Management Consultants","provider_url":"https:\/\/hmfconsultants.co.uk\/blog","author_name":"admin","author_url":"https:\/\/hmfconsultants.co.uk\/blog\/author\/admin\/","title":"Understanding Earth Potential Rise (EPR) and Its Impact on Electrical Safety - HMF - Engineering &amp; Project Management Consultants","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"63sh1PawUe\"><a href=\"https:\/\/hmfconsultants.co.uk\/blog\/understanding-earth-potential-rise\/\">Understanding Earth Potential Rise (EPR) and Its Impact on Electrical Safety<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/hmfconsultants.co.uk\/blog\/understanding-earth-potential-rise\/embed\/#?secret=63sh1PawUe\" width=\"600\" height=\"338\" title=\"&#8220;Understanding Earth Potential Rise (EPR) and Its Impact on Electrical Safety&#8221; &#8212; HMF - Engineering &amp; Project Management Consultants\" data-secret=\"63sh1PawUe\" 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\/\/# sourceURL=https:\/\/hmfconsultants.co.uk\/blog\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/hmfconsultants.co.uk\/blog\/wp-content\/uploads\/2023\/02\/thumbnail_WhatsApp-Image-2025-05-16-at-1.13.49-PM.jpg","thumbnail_width":1600,"thumbnail_height":900,"description":"Earth Potential Rise (EPR) is a critical concept in electrical engineering, particularly in power system design and safety assessments. Understanding EPR is essential for protecting personnel, equipment, and infrastructure, especially in facilities handling high fault currents, such as substations. What is Earth Potential Rise (EPR)? Earth Potential Rise (EPR) happens when a large fault current [&hellip;]"}