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Questions and Answers
What is the ambient temperature that the PEC table for the allowable ampacities of single-insulated conductors is based on?
What is the ambient temperature that the PEC table for the allowable ampacities of single-insulated conductors is based on?
- 20°C (correct)
- 30°C
- 60°C
- 75°C
What is the basis for the PEC table of allowable ampacities of single-insulated conductors in terms of ambient temperature?
What is the basis for the PEC table of allowable ampacities of single-insulated conductors in terms of ambient temperature?
- Maximum operating temperature
- Average outdoor temperature
- Standard atmospheric conditions
- Room temperature (correct)
What is the underlying assumption about ambient temperature in the PEC table for single-insulated conductors?
What is the underlying assumption about ambient temperature in the PEC table for single-insulated conductors?
- A typical outdoor temperature
- A variable temperature
- A typical indoor temperature (correct)
- An elevated temperature
What is the reference temperature for the PEC table of allowable ampacities of single-insulated conductors?
What is the reference temperature for the PEC table of allowable ampacities of single-insulated conductors?
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What is the significance of the ambient temperature in the PEC table for single-insulated conductors?
What is the significance of the ambient temperature in the PEC table for single-insulated conductors?
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