Electrical Construction & Maintenance

Stumped by the Code? Rules for Conductors Exposed to Direct Sunlight

All questions and answers are based on the 2017 NEC. Q. What does the NEC require of conductors in order to use them in locations exposed to direct sunlight? A. Insulated conductors and cables exposed ...
Electrical Construction & Maintenance

Code Q&A: Overcurrent Protection Devices and Conductor Ratings

This answer is based on the 2017 NEC. A. Yes, it does. If the circuit’s overcurrent protection device exceeds 800A, the conductor ampacity ― after the application of ambient temperature correction ...