| 摘要 |
PROBLEM TO BE SOLVED: To obtain a safety lamp for power failures which can be fitted easily, and moreover enables reduction of the size of a distribution board. SOLUTION: The case 9 of the safety lamp 1 for power failures is formed, so as to have approximately the same shape and outside dimensions as those of the case of a branch breaker 3, and is installed adjoining the branch breaker 3. A lamp 11 for illuminating a periphery when a power failure occurs, and a test switch 12 for carrying out a lighting test of the lamp 11 are exposed from an aperture 5 of a lid 6 of a distribution board 7. |
