NEC Code

Purpose Article 215 of the National Electrical Code® (NEC®) establishes the requirements for the installation, sizing, and protection of feeder circuits — the conductors that...

Purpose Article 210 of the National Electrical Code® (NEC®) defines the requirements for branch circuits — the final wiring that delivers power from panelboards to...

Purpose Article 200 of the National Electrical Code® (NEC®) defines the rules for identifying, connecting, and using grounded conductors — commonly known as neutral conductors. These...

Purpose Article 110 of the National Electrical Code® (NEC®) outlines the fundamental safety requirements for all electrical installations. It ensures that equipment is installed, maintained, and...

Purpose Article 100 of the National Electrical Code® (NEC®) provides clear definitions for terms used throughout the Code. Understanding these definitions is essential because NEC requirements...

Purpose Article 90 of the National Electrical Code® (NEC®) defines why the Code exists — to ensure electrical systems are safe, reliable, and free from...