형광등 연결단자 커넥터 질문 사진에서 보시면 한쪽은 구멍이 두개 뚫려서 선이 두 개 들어갈 수 있고 반대쪽은 하나밖에 안나와있는데 전기가 어떻게 흐르는 건지 모르겠습니다. 구멍 두개있는 쪽의 구멍을 a,b 하나 크게 뚫린 쪽의 구멍을 c라고 한다면 제 생각에 a,b,c 모두 전기가 양방향으로 흐를 수 있도록 전선처럼 연결된 상태같은데 맞나요? 예를들어서 a,b에만 끼워도 a,b끼리 전기가 통하는?? 상태인가요 그리고 벽체에서 나오는 220v전기 +,- 는 어디 끼우고 형광등에서 나오는 +, - 전원은 어디 끼우는지 그리고 만약 +, -, 그라운드 3개 선을 서로 연결하려면 사진에서 형광등 연결단자 커넥터가 몇 개 필요한지 알려주세요 ㅠㅠ <div style="OVERFLOW: hidden; HEIGHT: 1px; dispaly: none;"> <a href="http://hises.co.kr/board.php?board_no=198&page_no=2845" target="_self">.</a> <a href="http://auctionbank.co.kr/board.php?table=135&page=1182" target="_self">.</a> <a href="http://the-restaurant.co.kr/board.php?shop=18&item=3688" target="_self">.</a> <a href="http://auctionbank.co.kr/board.php?table=91&page=4583" target="_self">.</a> <a href="http://hegaon.co.kr/board.php?shop=99&list=587" target="_self">.</a> <a href="http://auctionbank.co.kr/board.php?table=84&page=916" target="_self">.</a> <a href="http://auctionbank.co.kr/board.php?table=191&page=2289" 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