Let’s take a closer look at the lighting load requirement. The NEC requirements for branch-circuit load calculations are in Art. 220, Part II. These cover three classifications of loads: Lighting ...

As your career advances, it’s crucial that you understand how to properly perform basic branch-circuit calculations and select appropriately sized branch-circuit conductors. You must also know how to ...

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...