1.0FKHhttps://fkh.ch/en/rich600338<blockquote class="wp-embedded-content" data-secret="qTij3cANu3"><a href="https://fkh.ch/en/dienstleistungen/engineering/blitzschutzfragen/">Lightning protection issues</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://fkh.ch/en/dienstleistungen/engineering/blitzschutzfragen/embed/#?secret=qTij3cANu3" width="600" height="338" title="“Lightning protection issues” — FKH" data-secret="qTij3cANu3" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); //# sourceURL=https://fkh.ch/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Ever since it was founded, FKH has been involved in lightning protection issues of every type (Historical retrospective). Nowadays, the focus is on lightning protection for electrical systems. However, FKH is available to comment on all electrical engineering issues that basically relate to lightning protection. FKH has also investigated and documented numerous special questions concerning […]https://fkh.ch/wp-content/uploads/2014/03/Blitze.jpg