| 摘要 |
PROBLEM TO BE SOLVED: To provide an auxiliary plug convenient for carrying it by reducing the number of portable plugs to be carried as small as possible, and excellent in safety. SOLUTION: This auxiliary plug is provided with a board 1 formed of an insulation, a first master key pin 11 composed of a round pin on one surface side of the board 1, and a first recessed part 12 having the same shape as the cross-sectional shape of a portable plug, and pin insertion holes 13 for inserting power extracting pins of the portable plug are formed in the first recessed part 12. Additionally, the auxiliary plug is provided with a second master key pin 21 composed of a flat pin and second recessed parts 22 having the same shape as the cross-sectional shape of the portable plug on the other surface side of the board 1, and pin insertion holes 23 for inserting the power extracting pins of the portable plug are formed in the second recessed part 22.
|
