| 摘要 |
PROBLEM TO BE SOLVED: To provide a piping structure of a cabinet 1, which can be easily fixed and improve the connection work. SOLUTION: A knockout hole 2 is covered with a cover 6. The cover 6 is provided with a piping hole 7 which enables opening by taking out, or the knockout hole 2 itself is formed into a shape to enable a flexible pipe to be connected thereto, and a flexible pipe is connected to the piping hole 7. A part of the piping hole 7, wherein a flexible pipe is connected, is provided with a nail whereto a flexible pipe fits.
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