Cable Tray is power, control cables, separated by facility formulary, and a power Cable Tray is Control and communication cables with from the top of the Cable Tray wiring, high pressure, low pressure,
Cable Tray and facilities are separated for power and control cables for the Pharmacopoeia, Cable Tray, the power for nor wiring not with the control and communication cables, high pressure, low pressure from top Cable Tray,
the Cable Tray is power, weak control cable used for electric power facilities is divided, and the Cable Tray.the control and signal cables and wiring is not Cable Tray business, from the high voltage and low voltage.