NEC 2026 Compatible
According to CEC Rule 4-006, if a conductor with 90°C insulation is connected to a circuit breaker with a 75°C terminal rating, what is the maximum temperature that the conductor is permitted to operate at the terminal?
Apprentice Level📋 CEC Rule 4-006(1)Temperature Limitations
A
60°C
B
75°C
C
90°C
D
The conductor can operate at 90°C as long as the breaker is rated for the current.
Explanation & Direct Citation
The correct answer is located in the National Electrical Code Section XXX.XX(Y)(Z). Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident.
Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam.