Electrical Construction & Maintenance

Stumped by the Code? NEC Rule Regarding Cable Tray Systems

All questions and answers are based on the 2017 NEC. Q. What is the NEC rule regarding the continuity of cable tray systems and their accessibility? A. Cable trays must be installed as a complete ...
Electrical Construction & Maintenance

Stumped by the Code? NEC Requirements for Disconnects and Conductors Serving Permanently ...

All questions and answers are based on the 2020 NEC. Q. What is the Code rule regarding disconnects for permanently connected appliances? A. For hard-wired appliances rated not more than 300VA or 1⁄8 ...