INDOOR HYDRANT BOX

PURPOSE:To simultaneously attain ease of check and design characteristic by assuring the ease of check of a pilot lamp at the time of fire and eliminating the protruding state of the pilot lamp at times other than the fire. CONSTITUTION:The pilot lamp 23 is disposed in a pilot lamp housing part 11 freely retractably from its surface. More specifically, the pilot lamp 23 is disposed projectably from an opening 13 of the pilot lamp housing part 11 and a spring 21 for energizing the pilot lamp 23 toward the opening 13 is disposed across the pilot lamp 23 and the pilot lamp housing part 11. Freely releasable engaging means 25a, 27a which hold the pilot lamp 23 in the pilot lamp housing part 11 by overcoming the energizing force of the spring 21 is disposed across the pilot lamp 23 and the pilot lamp housing part 11.