Since Article 215 is simply titled "Feeders,” let’s start by answering the question "What is a feeder?”
Part II of Article 210 deals with Branch-Circuit Ratings, starting with conductor sizing. These are some pretty basic rules so we will just cover the highlights here.
In this article we will continue where we left off discussing branch circuit requirements, picking up with 210.8, Ground Fault Circuit-Interrupter Protection for Personnel.
Article 210 covers branch circuits, which is that portion of the wiring which connects the final overcurrent device to the utilization equipment.
It is essential to clearly explain the difference between grounded and grounding, and then find a way to etch this into the student’s mind so he or she will not confuse or misuse the terms.
Because meter sockets are now being installed on the other side of a customer’s load center, as part of PV installations, it is important for an inspector to understand the terminal configurations to help ensure the equipment was installed in a safe manner.
In the last issue we discussed the NEC requirements up through 110.14, Electrical Connections, so we will start with 110.15, the requirement for identifying the high leg.
In this article we will look at the biggest and brightest stars of this new technology era, when it comes to what is being seen on the plan review tables in building departments all over the U.S. and around the world.
Some of the items covered in Article 110 are the requirements for examination, installation and use, terminations, and access to and spaces about electrical equipment.