abstract |
(57) [Summary] [Purpose] To detect overheat near the heat source visually while maintaining the wiring identification function. [Constitution] Reversible or irreversible temperature indicating material is mixed, A part of the overheat display portion 2 is formed, which becomes transparent or almost transparent when the temperature exceeds a predetermined temperature. The other portion is the color display portion 3 whose color does not change even when the temperature exceeds a predetermined temperature. Used by covering and attaching to the wire terminal, the overheat is detected by the color change of the overheat display portion 2. |