접지…

earth…
필요없는 건 일단 파 묻는다.

0. 접지 시스템
http://www.surge.co.kr/oh_grounding.htm

1. 접지의 구성방식
http://epartsmall.com/bbs_detail.php?bbs_num=2969&tb=board_electric&tb=board_electric

2. 접지에 대한 고찰
http://cdmanii.com/390

3. 접지저항 저감제의 활용
http://blog.naver.com/josm3123/140008582660

4. 찾는 중…

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