| 摘要 |
<p>Waterproof prewired plug for electrical connection to a bus duct (17), in which an insulating body (1) houses, inside a plurality of slots (2, 3, 4, 5) closed hermetically by an insulating sheet (10) along their entire length, a corresponding plurality of conducting bars (6, 7,8, 9), said plug comprising a support frame (18) and a plug body (19) prewired to a portion of electric cable and hinged with the frame so as to assume an operating position where it is disconnected and an operating position where it is electrically connected, the frame (18) being provided with engaging means (36, 37, 38) which can be operated manually for engagement and disengagement with/from the bus duct only if the plug body is in the disconnected operating position, the plug body being provided with contact clamps (21) which, for the connected operating position, after perforating the insulating sheet (10), enter into contact with the conducting bars (6, ,8, 9), the contact clamps (21) being surrounded by a seal (25) which, in the electrically connected operating position, ensures a watertight connection between plug body and bus duct, the seal extending to form a block (51) for securing, in a watertight manner, the end of said prewired cable to said plug body.</p> |
