BOLT, WATER INTRUSION DETECTION SYSTEM, AND WATER INTRUSION DETECTION METHOD

摘要

To provide a bolt, a water intrusion detection system and a water intrusion detection method, capable of easily obtaining the state of water intrusion in a circuit breaker.SOLUTION: A bolt fits into a screw hole that penetrates from the outside into a space to be detected in a circuit breaker and includes a sensor for detecting the state of water intrusion in the space to be detected. The bolt has the sensor at the screw tip part of the bolt.SELECTED DRAWING: Figure 2