1. The appeal is dismissed.

2. The costs of appeal shall be borne by the Defendant.

Purport of claim and appeal

Claim: the defendant.

1. The Co-Defendant C corporation of the first instance trial (hereinafter “Co-Defendant C corporation”) is a company engaged in the business of manufacturing steel pipes, which was awarded a contract for the factory extension work to Non-Party 1 Construction Co., Ltd., but the Co-Defendant 2 subcontracted the construction work of electric installations to H (E company). ② Non-Party D is an electrical machine belonging to the above E company, and Non-Party 3 did not take measures to remove electric wires on April 13, 2012, the left-hand side of the B factory C corporation located in Pyeongtaek-si F Co., Ltd., Ltd., and did not take measures such as the removal of electric wires on the top of the first floor, and the Defendant did not inform Non-Party 2 of the fact that he/she did not take measures such as the removal of the above construction work at the time of the above construction work, and did not take measures such as the removal of the above construction work at the time of the construction site to which he/she did not inform the contractor of the fact that he/she did not suffer from the above construction work.