In many applications, LEDs are replacing neon as a light source for signs, causing confusion as to what is required by the NEC.
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.
