CLEARANCE CONFIRMATION TOOL AND CLEARANCE CONFIRMATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a clearance confirmation tool that enables easy confirmation of whether a clearance through which wiring of an optical fiber cable can be carried out is ensured in between structural bodies such as window sashes and doors.SOLUTION: There is provided a clearance confirmation tool for confirming whether or not a clearance through which wiring of an optical fiber cable can be carried out is ensured in between structural bodies. The clearance confirmation tool includes: a string-shaped body 1 made of a thermoplastic resin and having a rectangular shape in a cross section perpendicular to the lengthwise direction; and first main projections 2a to 2c which are provided in an integral manner with the string-shaped body 1 on a side face forming one long side of the rectangle in the string-shaped body 1 and drawn in the lengthwise direction.