--- id: 2026-02-12T09:49:56-05:00 aliases: [] title: 2026-02-12 09:49:56 tags: - authorship/original - destiny/permanent - status/draft - topic/construction/electrical - type/periodic/timestamped 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#^9|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#^10|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.