Square D Plug On Neutral Breaker Boxes include features engineered for fast installation to save time and allow you to save wire. Square D Homelne Plug-on Neutral Breaker Boxes are compatible with Square D Homeline Plug-on Neutral breakers. The breaker boxes are UL listed for residential, commercial and industrial power distribution. These load centers are built with a shielded, copper bus bar that is plated for reliability. Square D Homeline Breaker Boxes are tested and listed only for Square D Homeline circuit breakers. Square D Homeline breaker boxes are the "World's Finest" designed with industry leading features for flexible application.