| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem, wherein dust is accumulated on a gap which may be slightly generated between a socket and a plug of a plug connector for indoor wiring and catching of fire caused by leak current triggered by the reduction in the insulating resistance, when dust becomes wet may occur, and the so-called "tracking phenomenon" is generated. Ž<P>SOLUTION: The tracking phenomenon is less apt to generate, since there is no accumulation of such dust in the gap between the plug and the socket, by arranging of insertion holes 3, (4) of the socket of the plug connector for indoor wiring. The insertion hole 3 projects from the socket, and the insertion hole 4 is arranged inside the socket. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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