WIRING BOX

PROBLEM TO BE SOLVED: To provide a wiring box that can be attached to an attached body with one-touch by displacing an engaging member and can prevent a displacement of the engaging member to maintain an attachment condition.SOLUTION: A boss 16 and an engaging piece 19 are integrally provided on a pair of first side walls 13a and 13b; and a pair of slits 20 are formed near the boss 16 of one of a pair of second side walls 14a and 14b. A boss displacement portion 25 is provided on the first side wall 13b in the wiring box 11 and allows displacing the boss 16 and the engaging piece 19 for the width of an aperture of the slit 20 and moving toward the original position when displaced. Additionally, a first flange 17 and a second flange 18 are provided on the edge of apertures of the pair of second side walls 14a and 14b and prolong toward outside from the side walls.