The defendant's appeal is dismissed.

1. Summary of the grounds for appeal (misunderstanding of facts and misunderstanding of legal principles)

A. As stated in the judgment below, the Defendant did not commit the so-called reverse lines that combine the electric wires of 380V, not 220V, with the air source connection unit N, other than air conditioners.

B. Even if the Defendant committed negligence in the reverse ties, since the air conditioning operated normally after G inspected air conditioning facilities, there is no causal relationship between the Defendant’s negligence and the instant fire.

2. Determination

A. The following facts can be acknowledged according to the evidence duly adopted and examined by the court below and the court below as to whether the defendant committed negligence in the reverse ties.

① On April 1, 2016, the Defendant installed three air-conditioning lines inside the instant building, and three air-conditioning lines on the same roof of the same building on April 4, 2016 (Evidence No. 2, 32-33, 39-41 of the Evidence Record). After the installation, air-conditioning lines operated normally (No. 47 pages of the record of trial). ② The victim started the instant tasks around April 22, 2016, and operated air-conditioning lines at the time of opening the instant tasks. The Defendant did not work normally, such as turning all of the air-conditioning lines installed on the first floor of the instant building (No. 2, 62 of the Evidence Record). ③ The victim did not contact the Defendant with the Defendant at least 5 air-conditioning lines installed on the first floor, and the victim did not contact the Defendant at least 5 air-conditioning lines installed on the first floor, and the victim did not contact the Defendant with the Defendant at least 5 air-conditionings.

380V Electric wires connected Twits

220V Electric Cables (section 36-37 of the record of trial) After that, Air conditioners were operated normally (section 51 of the record of trial). ⑤ On June 1, 2016, G around 14:08, the air conditioners operated as above (hereinafter “instant air conditioners”).