| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a grounding structure in which a required grounding resistance value can be obtained easily without being affected by the building foundation and ground layer, capable of saving time and labor of installation with a reduced construction cost. <P>SOLUTION: In the grounding structure for electrical facility 7 installed inside a building 1, an outside grounding electrode 20 embedded along the outside of the building foundation 3 and an inside grounding electrode 21 embedded inside the building foundation 3 are connected by a conductor 22, and the conductor 22 and a grounding terminal 9 provided in the building 1 are connected by another conductor 23. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
