| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent the overload of a load facility from affecting other load facilities and to easily specify the load facility overloaded. SOLUTION: In a feeder laying structure, a branch line 3 branching from a trunk 2 is provided with a branch box 4 having electric connections comprising a plurality of outlets 8, and load facilities 5 are connected to the electric connections via connecting cords 6. In this case, a branch circuit breaker 7 is placed on the branch line 3, and a separate fuse 12 having a current capacity matching the load capacity of the load facility 5 used is installed on the connecting cord 6. |
