Patent ID: 8668517

Claim:
A plug apparatus on which a plug grip is removably mounted, the plug apparatus being used for connection between a first conductive wire provided for a first power storage stack and a second conductive wire provided for a second power storage stack, comprising: a first holding portion holding the first conductive wire; a second holding portion separated from the first holding portion and holding the second conductive wire; and a fixing portion on which the first and second holding portions are removably mounted and which is previously fixed, wherein the first and second holding portions are mounted onto the fixing portion from above the fixing portion, and include uncovered parts exposed above the fixing portion, and the first and second conductive wires are electrically connected to each other in a first state in which the plug grip is attached to the uncovered parts exposed above the fixing portion, and the first and second holding portions are allowed to separate from the fixing portion and the electrical connection between the first and second conductive wires is broken in a second state in which the plug grip is removed from the first and second holding portions.