Patent ID: 7549873

Claim:
An electrical junction box comprising: a casing assembly including an upper casing and a lower casing; a laminated unit including bus bars and insulation plates contained in the upper casing, and a first printed circuit board, a second printed circuit board, and a spacer contained in the lower casing, the spacer having a first side and a second side opposite from the first side, said first printed circuit board being disposed on the first side of said spacer and said second printed circuit board being disposed on the second side of said spacer; and shorter size fixing bars and longer size fixing bars projecting from an inner surface on a top wall of said upper casing, said shorter size fixing bars penetrating said laminated unit, said first printed circuit board and said spacer, screws being inserted upward into said shorter size fixing bars via through-holes in said spacer to secure said unit, said first printed circuit board, said spacer, and said lower casing to said shorter bars, and the longer size fixing bars penetrating said laminated unit, said first printed circuit board, said spacer, said second printed circuit board and said lower casing, and said screws being inserted upward into said longer size fixing bars via through-holes in said lower casing to secure said unit, said first and said second printed circuit boards and said spacer to said longer bars.