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DTSTART;TZID=America/Los_Angeles:20260115T173000
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DESCRIPTION:Short-circuit current ratings (SCCR) and interrupting ratings f
 orm the backbone of electrical safety\, coordination\, and compliance in m
 odern power systems. This presentation explores how UL 508A Supplement SB 
 intersects with the National Electrical Code (NEC) to define the limits of
  what electrical equipment can safely withstand and interrupt under fault 
 conditions.\n\nThe presentation examines how UL product listings and compo
 nent ratings interact with NEC Articles 409\, 110.9\, and 110.10\, clarify
 ing how available fault current\, protective device selection\, and equipm
 ent labeling all converge in practice. Real-world examples will illustrate
  how engineers can properly determine SCCR\, verify interrupting ratings\,
  and ensure that the overall system meets both code and product standard i
 ntent.\n\nKey Topics\n\n- Fundamentals of SCCR and interrupting ratings\n-
  Relationship between UL 508A Supplement SB and NEC Articles 409\, 110.9\,
  and 110.10\n- Evaluating equipment for compliance and labeling accuracy\n
 - Case studies from industrial and institutional systems\n\nSpeaker(s): Ty
 ler Shewbert\, \n\nAgenda: \nNo-host social at 5:30pm\n\nPresentation at 6
 :00pm\n\nDinner at 7:00pm\n\nPresentation continues at 7:45pm\n\nAdjourn b
 y 8:30pm\n\nZio Fraedo&#39;s\, 611 Gregory Lane\, Pleasant Hill\, California\,
  United States\, 94523
LOCATION:Zio Fraedo&#39;s\, 611 Gregory Lane\, Pleasant Hill\, California\, Uni
 ted States\, 94523
ORGANIZER:mnakamura@dsrsd.com
SEQUENCE:27
SUMMARY:Short-Circuit Current Ratings\, Interrupting Ratings\, and the Inte
 rsection of UL 508A and the NEC
URL;VALUE=URI:https://events.vtools.ieee.org/m/512377
X-ALT-DESC:Description: &lt;br /&gt;&lt;p class=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;font-family
 : &#39;Arial&#39;\,sans-serif\;&quot;&gt;Short-circuit current ratings (SCCR) and interrup
 ting ratings form the backbone of electrical safety\, coordination\, and c
 ompliance in modern power systems. This presentation explores how UL 508A 
 Supplement SB intersects with the National Electrical Code (NEC) to define
  the limits of what electrical equipment can safely withstand and interrup
 t under fault conditions.&lt;/span&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot;&gt;&amp;nbsp\;&lt;/p&gt;\n&lt;p
  class=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;The pr
 esentation examines how UL product listings and component ratings interact
  with NEC Articles 409\, 110.9\, and 110.10\, clarifying how available fau
 lt current\, protective device selection\, and equipment labeling all conv
 erge in practice. Real-world examples will illustrate how engineers can pr
 operly determine SCCR\, verify interrupting ratings\, and ensure that the 
 overall system meets both code and product standard intent.&lt;/span&gt;&lt;/p&gt;\n&lt;p
  class=&quot;MsoNormal&quot;&gt;&amp;nbsp\;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot;&gt;&lt;span style=&quot;font-fam
 ily: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Key Topics&lt;/span&gt;&lt;/p&gt;\n&lt;ul style=&quot;list-style-t
 ype: square\;&quot;&gt;\n&lt;li class=&quot;MsoNormal&quot;&gt;&lt;!-- [if !supportLists]--&gt;&lt;span sty
 le=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Fundamentals of SCCR and interrupt
 ing ratings&lt;/span&gt;&lt;/li&gt;\n&lt;li class=&quot;MsoNormal&quot;&gt;&lt;!-- [if !supportLists]--&gt;&lt;
 span style=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Relationship between UL 50
 8A Supplement SB and NEC Articles 409\, 110.9\, and 110.10&lt;/span&gt;&lt;/li&gt;\n&lt;l
 i class=&quot;MsoNormal&quot;&gt;&lt;!-- [if !supportLists]--&gt;&lt;span style=&quot;font-family: &#39;A
 rial&#39;\,sans-serif\;&quot;&gt;Evaluating equipment for compliance and labeling accu
 racy&lt;/span&gt;&lt;/li&gt;\n&lt;li class=&quot;MsoNormal&quot;&gt;&lt;!-- [if !supportLists]--&gt;&lt;span st
 yle=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Case studies from industrial and 
 institutional systems&lt;/span&gt;&lt;/li&gt;\n&lt;/ul&gt;&lt;br /&gt;&lt;br /&gt;Agenda: &lt;br /&gt;&lt;p class
 =&quot;MsoNormal&quot; style=&quot;margin-left: 1.0in\; text-indent: -1.0in\;&quot;&gt;&lt;span styl
 e=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;No-host social at 5:30pm&lt;/span&gt;&lt;/p&gt;
 \n&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-left: 1.0in\; text-indent: -1.0in\;&quot;&gt;
 &lt;span style=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Presentation at 6:00pm&lt;/s
 pan&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-left: 1.0in\; text-indent: -1
 .0in\;&quot;&gt;&lt;span style=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Dinner at 7:00pm&lt;
 /span&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-left: 1.0in\; text-indent: 
 -1.0in\;&quot;&gt;&lt;span style=&quot;font-family: &#39;Arial&#39;\,sans-serif\;&quot;&gt;Presentation co
 ntinues at 7:45pm&lt;/span&gt;&lt;/p&gt;\n&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-left: 1.0
 in\; text-indent: -1.0in\;&quot;&gt;&lt;span style=&quot;font-family: &#39;Arial&#39;\,sans-serif\
 ;&quot;&gt;Adjourn by 8:30pm&lt;/span&gt;&lt;/p&gt;
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