vault backup: 2026-02-19 17:20:00

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+---
+id: 2026-02-12T09:49:56-05:00
+aliases: []
+title: 2026-02-12 09:49:56
+tags:
+  - authorship/original
+  - destiny/permanent
+  - status/draft
+  - type/timestamped
+  - topic/construction/electrical
+daily: "[[2026-02-12]]"
+dg-publish: true
+monthly: "[[2026-02]]"
+quarterly: "[[2026-Q1]]"
+weekly: "[[2026-W07]]"
+yearly: "[[2026]]"
+---
+# 2026-02-12 09:49:56
+
+### Interrupting Rating
+
+* "short-circuit interrupting rating"
+
+Applies to "Equipment intended to interrupt current".
+
+[[nfpa-70_110_requirements#110.9 Interrupting Rating.|NEC 110.9 Interrupting Rating.]]
+
+Maximum current that the equipment can interrupt without damage.
+Measured in amperes, usually shown as kAIC.
+
+### Short-Circuit Current Rating (SCCR)
+
+* "withstand rating"
+
+[[nfpa-70_110_requirements#110.10 Circuit Impedance, Short-Circuit Current Ratings, and Other Characteristics.|NEC 110.10 Circuit Impedance, Short-Circuit Current Ratings, and Other Characteristics.]]
+
+Applies to **assemblies**: distribution equipment like switchboards, panelboards, switches, etc.
+
+Maximum current that the equipment can withstand
+in a short-circuit event without damage.
+Measured in amperes, usually shown as kA.