Electrical calculations generally fall within two categories: dc circuit analysis and ac circuit analysis.

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.