| 摘要 |
PROBLEM TO BE SOLVED: To provide a power feeding system for buildings that enables a user to check abnormalities quickly at an occurrence of the abnormalities in a power feeding cable.SOLUTION: A power feeding cable 52 is connected to a power feeding inlet 51 of a building 10. An automobile 41 is provided with a power supply operation part 44 operated by a user to permit outputting power from a discharge terminal part 43. A relay device 61 is provided with abnormality detection means detecting occurrence of ground fault abnormalities in the power feeding cable 52. Depending on the abnormality detection results, alarm display is performed at a ground fault alarm 71. The ground fault alarm 71 is provided at a position that can be checked visually by the user at a point of time when connection of the power feeding cable 52 and a power-on operation are performed and an electric path is in an energization state. |
