Box Fill Calculations, Part I, appearing in June’s issue, introduced box fill, with emphasis on Section 370-16(a). Notably, Table 370-16(a) is used to determine the maximum number of conductors (for sizes No. 18 through No. 6) permitted within common-size metal boxes.
In February’s column, I discussed why the Electrical Transmission & Distribution (ET&D) Partnership is an example of an Occupational Safety and Health Administration (OSHA) cooperative program that has worked out extremely well.