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엘리베이터 전동기에 공급하는 피더(간선)의 최소 전류 용량 관련 규정(법령, 법규, 기준, 규칙, 법, 근거, CODE, 코드)
ARTICLE 620 — ELEVATORS, DUMBWAITERS, ESCALATORS, MOVING WALKS, LIFTS, & CHAIRLIFTS620.13 Feeder and Branch-Circuit Conductors.(D) Conductors Supplying More Than One Motor, Motor Controller, or Power Transformer. Conductors supplying more than one motor, motor controller, or power transformer shall have an ampacity not less than the sum of the nameplate current ratings of the equipment plus all ..
2025. 4. 20.
방수 플렉시블 전선관(Liquidtight Flexible Metal Conduit, LFMC) 관련 규정(법령, 법규, 기준, 규칙, 법, 근거, CODE, 코드)
50.2 Definition. Liquidtight Flexible Metal Conduit (LFMC). A raceway of circular cross section having an outer liquidtight, nonmetallic, sunlight-resistant jacket over an inner flexible metal core with associated couplings, connectors, and fittings for the installation of electric conductors. 📌 NEC 350.2 - 정의 (Definition)💡 액체 차단 유연 금속 전선관 (Liquidtight Flexible Metal Conduit, LFMC)LFMC는 원형 단면..
2025. 3. 17.