Note: This article is based on the 2005 NEC. Box fill isn’t just the number of wires in the box — it's the total volume of the conductors, devices, and fittings in a box. Every outlet box has a ...

So you go through all that work to correctly size your raceway, only to find out during the acceptance inspection that you have to replace some boxes and re-pull all of the conductors. The client’s ...