vault backup: 2026-04-15 17:43:32

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+---
+id: 2026-04-15T11:00:38-04:00
+aliases: []
+title: 2026-04-15 11:00:38
+tags:
+  - authorship/original
+  - destiny/permanent
+  - status/draft
+  - type/periodic/timestamped
+dg-publish: true
+date-created: 2026-04-15T11:00:38-04:00
+daily: "[[2026-04-15]]"
+weekly: "[[2026-W16]]"
+monthly: "[[2026-04]]"
+quarterly: "[[2026-Q2]]"
+yearly: "[[2026]]"
+---
+# 2026-04-15 11:00:38
+
+## Equipment Grounding Conductor Sizing
+
+[[virginia-live-casino-and-hotel]]
+one-lines specify ~~a feeder~~ as
+`(6) SETS OF: 4#600, 1#450G, 4"C.`
+
+The use of 450kcmil for the EGC is strange:
+
+* It is not a size specified by
+    [[nfpa-70_250_grounding#Table 250.122 Minimum Size Equipment Grounding Conductors for Grounding Raceway and Equipment|Table 250.122]]
+
+* it is a non-standard size anyway,
+    not appearing in [[nfpa-70_ch09|Chapter 9]] tables,
+    the [[neca-mlu]],
+    or our Accubid database.