| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrical equipment box assembly which is housed in a small space, capable of enhancing circuit boards in fixing strength and area, and preventing a fire from spreading around even if a circuit board catches fire. SOLUTION: This electrical equipment box assembly is equipped with a plate 13 with protrusions on its outer surface, and circuit boards 20 and 50 are placed on ribs 21 and bosses 22 inside the plate 30 and fastened by flexible circuit fastening pawls 23, wherein the circuit boards 20 and 50 are fastened making their solder surfaces face each other. The above protrusions are such as an indicating lamp shade 26 and a flexible switch button 24, and fastening pawl pressers which press the flexible circuit fastening pawls that fasten the circuit board so as not to expand outward and ribs and projections that press the circuit boards fastened to the plate 13 are provided inside the lid 14. The above fastening pawl pressers are such as the side wall of the lid, ribs, and projections. A box-shaped resin electrical equipment box 15 composed of a plate which can be freely opened or closed making its one edge serve as a hinge 16 and a lid is a resin molded body of flame-retardant polypropylene of UL specifications 94-V-0 or above.
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