ÀÛ¼ºÀÏ : 06-02-12 00:00
ground to neutral Àü¾Ð¿¡ ´ëÇÑ Çѱ¹³» ±ÔÁ¤ÀÌ Àִ°¡¿ä?
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¹Ì±¹¿¡¼´Â Neutral-to-ground voltage¸¦ NEC article 210-19a, FPN No. 4¿¡¼ ¾Æ·¡¿Í °°ÀÌ ±ÔÁ¤ÇÏ°í Àִµ¥ Ȥ½Ã Çѱ¹¿¡¼´Â ±ÔÁ¤ÇÏ°í ÀÖ´Â °ø½ÄÀûÀÎ
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¹Ì±¹ ±ÔÁ¤ : maximum total voltage drop must not exceed 5%
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