SX7 series junction boxes are enclosures applicable for hazardous locations. They can be used as junction, pull and splice boxesas well as to enclosure electrical devices and instruments. Applications can include components such as motor starters, circuit breakers, control stations, terminal blocks, pilot lights, switch racks and panelboards.Application: SX7 series junction boxes are enclosures applicable for hazardous locations. They can be used as junction, pull and splice boxesas well as to enclosure electrical devices and instruments. Applications can include components such as motor starters, circuit breakers, control stations, terminal blocks, pilot lights, switch racks and panelboards.