As we continue our journey through Chapter 4 in the 2011 National Electrical Code, I will point out highlights in the material that I believe will be most relevant for inspectors.

ESFI recommends all homes over 40 years old undergo an electrical inspection by a licensed electrician to ensure the home’s electrical system can handle modern demands.

One of the most fundamental calculations made on a power distribution system is that which yields available short-circuit current.

Personal protective equipment (PPE) recommended for arc flash is not always designed for arc-flash exposure.

This article works to seek a better understanding of the installation, grounding, and bonding of PV systems and NEC-2017 updates.