<div dir="ltr"><br><div class="gmail_extra">2017-02-15 9:33 GMT+01:00 Warin <span dir="ltr"><<a href="mailto:61sundowner@gmail.com" target="_blank">61sundowner@gmail.com</a>></span>:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"><span class=""></span><span class=""></span>Not certain what elaboration you need? Isolation ...is simply
turning a line off, for maintenance/repair.<br>
Switches on poles tend to be manual (mechanical). Switches in
substations and stations tend to be automatic. <br></div></blockquote><div><br></div><div>Ok I agree<br></div><div>I wasn't sure of what you meant with isolation.<br><br></div><div>Actually, even thoses isolation mechanical switches can be automated as said (with radio, landlines or whatever)<br><br></div><div>All the best<br><br><br></div><div>François<br></div></div></div></div>