There are conditions which may require special construction. If special construction is required, the conditions should be brought to the attention of the manufacturer.
Among the unusual conditions are:
- High or low ambiance
- High altitude
- Frequencies other than 60 Hertz
- Exposure to damaging fumes, gases, vapors, etc.
- Exposure to excessive moisture, dripping water, steam, etc.
- Exposure to excessive dust, explosive dust, etc.
- Exposure to weather, salt, air, etc.
- Exposure to abnormal vibrations, shocks, etc.
- Unusual space limitations
- Unusual insulation requirements
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