English to Polish Tech/Engineering Electronics / Elect Eng

cóż to są "civil panels" w znaczeniu elektrycznym? Bo nic znaleźć nie mogę :/ Pomocy!

1.1. Installation of cable trays
Cable trays installed for cables between civil panels, general purpose lighting and socket cables. Also second layer of cable trays installed for fire alarm and structural data cable installations. The cable trays installed generally vertical due to food safety rules in the plant. All cable trays installed min 5 cm far from the wall due to cleaning purpose. Two type of material used. 304 degree stainless steel and galvanized steel cable trays. The cable trays which are installed in the building is mesh type, which are installed outside is normal type cable trays with cover. The Cable trays which are installed outside is hot dip galvanized type.