산업안전기사 2021년 2회 78번

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과목: 전기위험방지기술

문제[edit | edit source]

78. 계통접지로 적합하지 않는 것은?

  • ① TN계통
  • ② TT계통
  • ③ IN계통
  • ④ IT계통

풀어보기[edit | edit source]

정답[edit | edit source]

  • 3번

해설[edit | edit source]

같이 보기[edit | edit source]

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