<div dir="auto"><div>Yes, basically just verifying that the loads will not exceed the busbar rating, with some safety factor/cushion based on judgement and available data.  For example, in a controlled industrial situation with years worth of 15-minute demand data showing consistent demand, a relatively small cushion.  </div><div dir="auto"><br></div><div dir="auto">Blake<br><br><div class="gmail_quote gmail_quote_container" dir="auto"><div dir="ltr" class="gmail_attr">On Mon, Apr 14, 2025, 1:14\u202fPM Jennifer Crawford via RE-wrenches &lt;<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">




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Has anyone actually seen an engineer-supervised design for a busbar with multiple power sources &amp; loads? I&#39;m looking at 705.12-B-6, or similar depending on which code cycle we&#39;re talking about. What specifically were they checking, and did they reference any
 particular IEEE standard or other reference as the basis of their approval? </div>
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<p style="text-align:left;background-color:white"><span style="font-family:Arial,sans-serif;font-size:11pt;color:rgb(21,61,99)">Jen Crawford, PE (NY, MA, TX, WV, VA, ME, MD)</span></p>
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