| 摘要 |
<p>Concealed and leaktight electrical butt joint for prefabricated lengths (1, 69) of electrical ducting, in which a metal enclosure (2, 70) houses at least one support (3) of insulating material having a plurality of rectilinear slots in each of which is housed a conducting bar, the extremities of the support (3) being spaced apart by the enclosure (2), the joint comprising a metal saddle (19) which is inserted to half its length in the extremity of the enclosure (2) on the first length (1) of ducting and its other half in the extremity of the enclosure (70) of a second length (69) abutting the first, the saddle extending in two side members (25, 26) within which there is fixed, to at least one of these side members, in a median position thereof, an electrical connector (20, 21) having the shape of a sleeve which is leaktightly fitted onto the end of the support (3) of each of the lengths which are to be joined, the joint being factory preassembled with one of the lengths.</p> |
