2026년 1회 전기공사기사 필기 CBT 기출 1. 전기응용 및 공사재료 (1~20)

✨ New experiences in technical education become a part of our daily lives. ✨ This is Dasan Edu, which provides technical courses in the electrical and firefighting fields. Visit the Dasan Edu website or Naver Cafe for more lectures and resources :) Pass the exam with Dasan Edu! 🎉 · Dasan Edu Website: http://e-dasan.net/ · Pass the Electrical Certification Exam in One Go Cafe: https://cafe.naver.com/dasanpass · Instagram:   / dasanedu.official   · Kakao Channel: https://pf.kakao.com/_SSptxb ⏰ Timeline⏰ 00:00 Intro 00:08 1 00:29 2 02:30 3 05:26 4 07:05 5 08:18 6 09:13 7 10:04 8 11:24 9 14:18 10 16:26 11 18:05 12 19:12 13 20:14 14 21:37 15 22:30 16 23:17 17 24:09 18 25:41 19 26:27 20