| 摘要 |
PURPOSE: An insertion-type 4-hole outlet structure is provided to reciprocally cross the first and second plug plates of knife adaptors, and to locate plug ports on a diagonal line, thereby easily connecting electric wires of an insertion-type outlet and easily inserting a plug. CONSTITUTION: Knife adaptors(31) consist of connection plates(33) and the first and second plug plates(32,34). The first and second plug plates(32,34) are vertically formed in one direction on both ends of the connection plates(33). The second plug ports(52) are disposed near to the connection plates(33), and the first plug ports(51) are disposed far away from the connection plates(33). One of the knife adaptors(31) is arrayed such that the first and second plug plates(32,34) can be upward, and the other one of the knife adaptors(31) is arrayed such that the first and second plug plates(32,34) can be downward. Each of the plug plates(32,34) crosses each other.
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