Non-reversible temperature monitoring strip for use in breaker boxes. Appropriate square turns black once exposed to corresponding temperature. 10 pieces per pack.
These spot temperature indicators allow you to know right away when operating temperatures have reached a dangerous level (130°F) in your breaker box by turning black. 30 pieces per pack.
Non-reversible temperature monitoring dot for use in breaker boxes. Appropriate indicator turns black once exposed to corresponding temperature. 10 pieces per pack.