Patent ID: 7172440

Claim:
An electric connection box comprising: a case body; at least two chambers partitioned in said case body; a notch defining a communication passage between adjacent two of said chambers formed on a partition wall partitioning said adjacent two chambers; and first and second covers attached to said case body so as to cover open surfaces of said adjacent two chambers; wherein said first and second covers have lap portions respectively, which cover an open surface of said communication passage such that said lap portions overlap each other above said communication passage, wherein a first lap portion of said lap portions includes a projecting wall portion projecting from a peripheral edge portion of said first cover, and a bottomed groove portion formed on an inner edge of said projecting wall portion acting as a gutter for conveying water to an exterior of the chambers, and a second lap portion of said lap portions includes a covering portion covering said projecting wall portion, and a bent retaining portion which is bent at an outer edge of said covering portion so as to be received in said groove portion.