[아마추어] 전선의 종류, 굵기, 보는법 등
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18:13
변압기의 동작원리. 쉽게 설명해 보겠습니다.
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12:19
전선의 굵기와 허용전류 | 전선 고르는 방법, 전선규격과 허용전류
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17:44
공통(common)선이 무슨뜻이죠?
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27:13
Electrical Practice - How to read the breaker plaque (MCCB + ELB)
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20:50
Remote Control Switch
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29:05
[보는전기]케이블의 종류와 특징 | TFR-CV, FR CNCO-W, TFR-CVV, TFR-CVV-S, TFR-8, TFR-3, NFR-8, ACF, HFBT, HF-CO
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22:51
[접지] 도대체 왜 해야하는 것이고, 어떻게 하는건지 보여드립니다
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11:06