<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 PM Jennifer Crawford via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> 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 & loads? I'm looking at 705.12-B-6, or similar depending on which code cycle we'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="background-color:white;margin:0in"><span style="font-family:Arial,sans-serif;color:rgb(21,61,99)">Regards,</span></p>
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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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