class="layout-aside-right paging-number">
접지전극 관련 규정(법령, 법규, 기준, 규칙, 법, 근거, CODE, 코드)
🔎 NEC 규정250.53 Grounding Electrode System Installation.(A) Rod, Pipe, and Plate Electrodes. Rod, pipe, and plate electrodes shall meet the requirements of 250.53(A)(1) through (A)(3). (A) Rod, Pipe, and Plate Electrodes.봉형(rod), 관형(pipe), 판형(plate) 접지 전극은 **250.53(A)(1) ~ (A)(3)**의 요구사항을 따라야 한다.(1) Below Permanent Moisture Level. If practicable, rod, pipe, and plate electrodes shall be embedd..
2025. 4. 13.
서비스 인입선(전력회사로 부터 들어오는 전선 또는 케이블)의 접지 전극 도체 최소 사이즈 관련 규정(법령, 법규, 기준, 규칙, 법, 근거, CODE, 코드)
NEC 250.66 Size of Alternating-current Grounding Electrode Conductor. The size of the grounding electrode conductor at the service, at each building or structure where supplied by a feeder(s) or branch circuit(s), or at a separately derived system of a grounded or ungrounded ac system shall not be less than given in Table 250.66, except as permitted in 250.66(A) through (C). 📘 NEC 250.66 규정 해석2..
2025. 4. 6.
