Each also comes with a temperature rating.
The temperature rating is lowest temperature the bag will keep you warm at.
Cables run in wet or oily locations may carry a lower temperature rating than in a dry installation.
Incoloy has the highest temperature rating, it is considered a Superalloy.
These pressure classes also have differing pressure and temperature ratings for different materials.
Sometimes the insulation has varying percentages of silica depending on the temperature rating of the material.
Couplers described under these standards have standardized current and temperature ratings.
This may eliminate the need for additional conduit installation while maintaining the conduit's overall temperature rating.
So a woman's sleeping bag with the same temperature rating as a unisex bag will actually feel warmer to its female occupant.
Mechanical fusible links come in a variety of designs and different temperature ratings.