Cable connection structures, closure components, and closures

摘要

PROBLEM TO BE SOLVED: To obtain a better or less inconvenient cable connection structure, closure component, and closure capable of confirming internal inundation. A peripheral wall 110a has a hollow shape extending in a direction X, and has an inner peripheral surface 110c and two protrusions 112a1 in the direction X and opposite directions of the direction X. The cable 300 penetrates the end face plate 120, and the end face plate 120 closes the tip 112a1. The window member 115 penetrates the peripheral wall 110a and has a transparent portion 115a. The first connection processing unit 210 and the second connection processing unit 220 are housed in the closure 100A, and each connects a plurality of cables 300. The window member 115 faces the first space S1 between the two end face plates 120 in the closure 100A, and visually recognizes the region A1 which is a part of the inner peripheral surface 110c from the outside of the peripheral wall 110a through the transparent portion 115a. It is provided so that it can be done. [Selection diagram] Fig. 4