| 摘要 |
<p>The invention relates to an installation box (1) comprising: a cylindrical side wall (11) defining an inner space for receiving at least one electrical fittings module; and an insulating envelope (31) that encloses electrical connection elements in a non-dismountable manner and is provided with at least one inlet (38) for the introduction of power supply conductors to be connected to said connection elements. According to the invention, the insulating envelope is dismountably fixed to said side wall in order to form the bottom of said installation box and an axial extension of the side wall thereof.</p> |
