Which factor is NOT considered in calculating box fill?

In calculating box fill, the color of the box is not a consideration. Box fill calculations are primarily concerned with ensuring that there is sufficient space within the electrical box to safely accommodate the conductors, devices, and any additional elements that may be present.

When determining box fill, the size of the box itself is fundamental as different box sizes will accommodate a varying number of conductors and devices. The wiring method is also important since it dictates how conductors are arranged within the box and can affect the fill calculations. Additionally, the number of devices present, such as switches or outlets, is critical because each device contributes to the overall space required in the box.

Color does not influence the physical characteristics of the box or the volume available for wiring and devices, and thus it does not factor into the box fill calculations. This understanding is essential for adhering to the National Electrical Code requirements for safe and effective electrical installations.