At what temperature is PVC rated?

PVC, or polyvinyl chloride, is a widely used material in electrical installations, particularly for insulation and conduit. The temperature rating of PVC is crucial as it determines the maximum operating conditions for electrical systems using this material.

The correct answer, 75 degrees Celsius, is significant because it reflects the standard temperature rating for many types of PVC used in wiring applications. This rating ensures that the material can safely operate within this temperature range without degrading, which is essential for maintaining the integrity of electrical systems and preventing hazards such as insulation failure or overheating.

Understanding this temperature rating also helps electricians and installers select the appropriate materials for their specific applications, ensuring compliance with safety standards and optimal performance. Other options, such as 50, 65, and 80 degrees Celsius, do not align with the recognized and established rating for PVC in those contexts, thereby guiding professionals to choose the correct materials based on industry standards.