The NEC requirements for branch-circuit load calculations are in Art. 220, Part II. These cover three classifications of loads:
- Lighting loads for specified occupancies (220.12)
- Other loads for all occupancies (220.14)
- Loads for additions to existing occupancies (220.16)
Let’s take a closer look at the lighting load requirement now.
The lighting loads must be of a minimum size, depending upon the occupancy. To find the