1. Each part of the judgment of the court of first instance against the Defendants shall be revoked.

2. The plaintiff's claim corresponding to the above revocation part.

1. Basic facts

A. The Plaintiff is an insurer who entered into an insurance contract with the council of occupants' representatives of A apartment units and the owner of B, with the content that the apartment units in B, the household tools and electric facilities in the apartment units, etc. shall compensate for the damage caused by fire as the subject matter of insurance.

Defendant Ku Electronic Co., Ltd. (hereinafter referred to as “Defendant Ku Electronic”) is a manufacturer of electrical supplies, and Defendant Hyundai Marine Fire Insurance Co., Ltd. (hereinafter referred to as “Defendant Hyundai Marine”) is an insurer who has entered into a contract for product liability insurance for the electrical supplies manufactured by the said company.

B. On April 21, 2015, around 07:50 on April 21, 2015, a resident living alone in the above apartment building 103 Dong 501 (hereinafter “the instant apartment building”) went home at work around 18:00, after having worked in the middle of the air space that was manufactured by the Defendant Cuk Electronics (hereinafter “instant electrical space”).

A fire occurred in the vicinity of the kitchen, etc. of the building of this case between the time when the above resident was in attendance, and the toilets, small rooms, etc. were naturally fireed due to the blocking of outside air at the time when the above resident returned home.

C. On July 2015, the Plaintiff paid KRW 14,558,266 to the said council of occupants’ representatives for the fire insurance for the destruction of buildings and household effects caused by fire insurance pursuant to the fire insurance contract.

The main contents of the appraisal report of the National Scientific Investigation Institute which appraised the fire site of the building of this case are as follows.

0 Considering that the burning form of a fire site (it is a severe fire, such as an electrical material and material and a burning form that has been spreaded to a ceiling following the foundation of an electrical material and material and material and that the area surrounding the foundation of an electrical material and material and material and that the foundation of an electrical material and material and material and that the foundation of an electrical material and material and material resources

0. Electrical material, material and material and material and material and material and material and material material and material material and material material and material material and material material and material material and material material and material material and material material and material material and material.