| 摘要 |
An electric element box for an outer wall is provided to facilitate installation of an inner box to an outer box by coupling an outer box rear unit to an outer box lateral unit to open and close a box space. An outer box(10) includes a tubular outer box lateral unit(11) and an outer box rear unit(20) and is installed at a box groove so that the outer box rear unit faces a box groove bottom unit. An inner box(30) includes a tubular inner box lateral unit(31a), an inner box rear unit(31b), and an inner box front unit(41) with an installation opening(41b) and is installed in a box space(13) so that the installation opening is exposed to an indoor space and the inner box rear unit is separated from the outer box rear unit. |
