Patent ID: 11933685
Assignee: EATON INTELLIGENT POWER LIMITED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 14:
15. An electrical enclosure assembly for a hazardous environment, comprising:
an electrical enclosure rated for use in the hazardous environment, wherein the electrical enclosure comprises an electrical device installed inside;
at least one sensor installed inside the electrical enclosure, wherein the at least one sensor is a Fiber Bragg Grating (FBG) optical sensor and is configured to cause wavelength changes in ultraviolet (UV) light reflected by the at least one sensor; and
an interrogator installed inside the electrical enclosure and configured to measure the wavelength changes of the UV light reflected by the at least one sensor, wherein the wavelength changes are a function of corrosion-related strain in the electrical enclosure.